1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * NXP Wireless LAN device driver: CFG80211
4 *
5 * Copyright 2011-2020 NXP
6 */
7
8 #include "cfg80211.h"
9 #include "main.h"
10 #include "11n.h"
11 #include "wmm.h"
12
13 static char *reg_alpha2;
14 module_param(reg_alpha2, charp, 0);
15
16 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
17 {
18 .max = MWIFIEX_MAX_BSS_NUM,
19 .types = BIT(NL80211_IFTYPE_STATION) |
20 BIT(NL80211_IFTYPE_P2P_GO) |
21 BIT(NL80211_IFTYPE_P2P_CLIENT) |
22 BIT(NL80211_IFTYPE_AP),
23 },
24 };
25
26 static const struct ieee80211_iface_combination
27 mwifiex_iface_comb_ap_sta = {
28 .limits = mwifiex_ap_sta_limits,
29 .num_different_channels = 1,
30 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
31 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
32 .beacon_int_infra_match = true,
33 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
34 BIT(NL80211_CHAN_WIDTH_20) |
35 BIT(NL80211_CHAN_WIDTH_40),
36 };
37
38 static const struct ieee80211_iface_combination
39 mwifiex_iface_comb_ap_sta_vht = {
40 .limits = mwifiex_ap_sta_limits,
41 .num_different_channels = 1,
42 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
43 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
44 .beacon_int_infra_match = true,
45 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
46 BIT(NL80211_CHAN_WIDTH_20) |
47 BIT(NL80211_CHAN_WIDTH_40) |
48 BIT(NL80211_CHAN_WIDTH_80),
49 };
50
51 static const struct
52 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
53 .limits = mwifiex_ap_sta_limits,
54 .num_different_channels = 2,
55 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
56 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
57 .beacon_int_infra_match = true,
58 };
59
60 /*
61 * This function maps the nl802.11 channel type into driver channel type.
62 *
63 * The mapping is as follows -
64 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
65 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
66 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
67 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
68 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
69 */
mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)70 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
71 {
72 switch (chan_type) {
73 case NL80211_CHAN_NO_HT:
74 case NL80211_CHAN_HT20:
75 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
76 case NL80211_CHAN_HT40PLUS:
77 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
78 case NL80211_CHAN_HT40MINUS:
79 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
80 default:
81 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
82 }
83 }
84
85 /* This function maps IEEE HT secondary channel type to NL80211 channel type
86 */
mwifiex_get_chan_type(struct mwifiex_private * priv)87 u8 mwifiex_get_chan_type(struct mwifiex_private *priv)
88 {
89 struct mwifiex_channel_band channel_band;
90 int ret;
91
92 ret = mwifiex_get_chan_info(priv, &channel_band);
93
94 if (!ret) {
95 switch (channel_band.band_config.chan_width) {
96 case CHAN_BW_20MHZ:
97 if (IS_11N_ENABLED(priv))
98 return NL80211_CHAN_HT20;
99 else
100 return NL80211_CHAN_NO_HT;
101 case CHAN_BW_40MHZ:
102 if (channel_band.band_config.chan2_offset ==
103 SEC_CHAN_ABOVE)
104 return NL80211_CHAN_HT40PLUS;
105 else
106 return NL80211_CHAN_HT40MINUS;
107 default:
108 return NL80211_CHAN_HT20;
109 }
110 }
111
112 return NL80211_CHAN_HT20;
113 }
114
115 /*
116 * This function checks whether WEP is set.
117 */
118 static int
mwifiex_is_alg_wep(u32 cipher)119 mwifiex_is_alg_wep(u32 cipher)
120 {
121 switch (cipher) {
122 case WLAN_CIPHER_SUITE_WEP40:
123 case WLAN_CIPHER_SUITE_WEP104:
124 return 1;
125 default:
126 break;
127 }
128
129 return 0;
130 }
131
132 /*
133 * This function retrieves the private structure from kernel wiphy structure.
134 */
mwifiex_cfg80211_get_adapter(struct wiphy * wiphy)135 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
136 {
137 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
138 }
139
140 /*
141 * CFG802.11 operation handler to delete a network key.
142 */
143 static int
mwifiex_cfg80211_del_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr)144 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
145 int link_id, u8 key_index, bool pairwise,
146 const u8 *mac_addr)
147 {
148 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
149 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
150 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
151
152 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
153 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
154 return -EFAULT;
155 }
156
157 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
158 return 0;
159 }
160
161 /*
162 * This function forms an skb for management frame.
163 */
164 static int
mwifiex_form_mgmt_frame(struct sk_buff * skb,const u8 * buf,size_t len)165 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
166 {
167 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
168 u16 pkt_len;
169 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
170
171 pkt_len = len + ETH_ALEN;
172
173 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
174 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
175 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
176
177 memcpy(skb_push(skb, sizeof(tx_control)),
178 &tx_control, sizeof(tx_control));
179
180 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
181
182 /* Add packet data and address4 */
183 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr));
184 skb_put_data(skb, addr, ETH_ALEN);
185 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr),
186 len - sizeof(struct ieee80211_hdr_3addr));
187
188 skb->priority = LOW_PRIO_TID;
189 __net_timestamp(skb);
190
191 return 0;
192 }
193
194 /*
195 * CFG802.11 operation handler to transmit a management frame.
196 */
197 static int
mwifiex_cfg80211_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)198 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
199 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
200 {
201 const u8 *buf = params->buf;
202 size_t len = params->len;
203 struct sk_buff *skb;
204 u16 pkt_len;
205 const struct ieee80211_mgmt *mgmt;
206 struct mwifiex_txinfo *tx_info;
207 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
208
209 if (!buf || !len) {
210 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
211 return -EFAULT;
212 }
213
214 mgmt = (const struct ieee80211_mgmt *)buf;
215 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
216 ieee80211_is_probe_resp(mgmt->frame_control)) {
217 /* Since we support offload probe resp, we need to skip probe
218 * resp in AP or GO mode */
219 mwifiex_dbg(priv->adapter, INFO,
220 "info: skip to send probe resp in AP or GO mode\n");
221 return 0;
222 }
223
224 pkt_len = len + ETH_ALEN;
225 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
226 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
227 pkt_len + sizeof(pkt_len));
228
229 if (!skb) {
230 mwifiex_dbg(priv->adapter, ERROR,
231 "allocate skb failed for management frame\n");
232 return -ENOMEM;
233 }
234
235 tx_info = MWIFIEX_SKB_TXCB(skb);
236 memset(tx_info, 0, sizeof(*tx_info));
237 tx_info->bss_num = priv->bss_num;
238 tx_info->bss_type = priv->bss_type;
239 tx_info->pkt_len = pkt_len;
240
241 mwifiex_form_mgmt_frame(skb, buf, len);
242 *cookie = get_random_u32() | 1;
243
244 if (ieee80211_is_action(mgmt->frame_control))
245 skb = mwifiex_clone_skb_for_tx_status(priv,
246 skb,
247 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
248 else
249 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
250 GFP_ATOMIC);
251
252 mwifiex_queue_tx_pkt(priv, skb);
253
254 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
255 return 0;
256 }
257
258 /*
259 * CFG802.11 operation handler to register a mgmt frame.
260 */
261 static void
mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy * wiphy,struct wireless_dev * wdev,struct mgmt_frame_regs * upd)262 mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
263 struct wireless_dev *wdev,
264 struct mgmt_frame_regs *upd)
265 {
266 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
267 u32 mask = upd->interface_stypes;
268
269 if (mask != priv->mgmt_frame_mask) {
270 priv->mgmt_frame_mask = mask;
271 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
272 HostCmd_ACT_GEN_SET, 0,
273 &priv->mgmt_frame_mask, false);
274 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
275 }
276 }
277
278 /*
279 * CFG802.11 operation handler to remain on channel.
280 */
281 static int
mwifiex_cfg80211_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,struct ieee80211_channel * chan,unsigned int duration,u64 * cookie)282 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
283 struct wireless_dev *wdev,
284 struct ieee80211_channel *chan,
285 unsigned int duration, u64 *cookie)
286 {
287 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
288 int ret;
289
290 if (!chan || !cookie) {
291 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
292 return -EINVAL;
293 }
294
295 if (priv->roc_cfg.cookie) {
296 mwifiex_dbg(priv->adapter, INFO,
297 "info: ongoing ROC, cookie = 0x%llx\n",
298 priv->roc_cfg.cookie);
299 return -EBUSY;
300 }
301
302 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
303 duration);
304
305 if (!ret) {
306 *cookie = get_random_u32() | 1;
307 priv->roc_cfg.cookie = *cookie;
308 priv->roc_cfg.chan = *chan;
309
310 cfg80211_ready_on_channel(wdev, *cookie, chan,
311 duration, GFP_ATOMIC);
312
313 mwifiex_dbg(priv->adapter, INFO,
314 "info: ROC, cookie = 0x%llx\n", *cookie);
315 }
316
317 return ret;
318 }
319
320 /*
321 * CFG802.11 operation handler to cancel remain on channel.
322 */
323 static int
mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,u64 cookie)324 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
325 struct wireless_dev *wdev, u64 cookie)
326 {
327 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
328 int ret;
329
330 if (cookie != priv->roc_cfg.cookie)
331 return -ENOENT;
332
333 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
334 &priv->roc_cfg.chan, 0);
335
336 if (!ret) {
337 cfg80211_remain_on_channel_expired(wdev, cookie,
338 &priv->roc_cfg.chan,
339 GFP_ATOMIC);
340
341 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
342
343 mwifiex_dbg(priv->adapter, INFO,
344 "info: cancel ROC, cookie = 0x%llx\n", cookie);
345 }
346
347 return ret;
348 }
349
350 /*
351 * CFG802.11 operation handler to set Tx power.
352 */
353 static int
mwifiex_cfg80211_set_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,enum nl80211_tx_power_setting type,int mbm)354 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
355 struct wireless_dev *wdev,
356 enum nl80211_tx_power_setting type,
357 int mbm)
358 {
359 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
360 struct mwifiex_private *priv;
361 struct mwifiex_power_cfg power_cfg;
362 int dbm = MBM_TO_DBM(mbm);
363
364 switch (type) {
365 case NL80211_TX_POWER_FIXED:
366 power_cfg.is_power_auto = 0;
367 power_cfg.is_power_fixed = 1;
368 power_cfg.power_level = dbm;
369 break;
370 case NL80211_TX_POWER_LIMITED:
371 power_cfg.is_power_auto = 0;
372 power_cfg.is_power_fixed = 0;
373 power_cfg.power_level = dbm;
374 break;
375 case NL80211_TX_POWER_AUTOMATIC:
376 power_cfg.is_power_auto = 1;
377 break;
378 }
379
380 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
381
382 return mwifiex_set_tx_power(priv, &power_cfg);
383 }
384
385 /*
386 * CFG802.11 operation handler to get Tx power.
387 */
388 static int
mwifiex_cfg80211_get_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,int * dbm)389 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
390 struct wireless_dev *wdev,
391 int *dbm)
392 {
393 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
394 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
395 MWIFIEX_BSS_ROLE_ANY);
396 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
397 HostCmd_ACT_GEN_GET, 0, NULL, true);
398
399 if (ret < 0)
400 return ret;
401
402 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
403 *dbm = priv->tx_power_level;
404
405 return 0;
406 }
407
408 /*
409 * CFG802.11 operation handler to set Power Save option.
410 *
411 * The timeout value, if provided, is currently ignored.
412 */
413 static int
mwifiex_cfg80211_set_power_mgmt(struct wiphy * wiphy,struct net_device * dev,bool enabled,int timeout)414 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
415 struct net_device *dev,
416 bool enabled, int timeout)
417 {
418 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
419 u32 ps_mode;
420
421 if (timeout)
422 mwifiex_dbg(priv->adapter, INFO,
423 "info: ignore timeout value for IEEE Power Save\n");
424
425 ps_mode = enabled;
426
427 return mwifiex_drv_set_power(priv, &ps_mode);
428 }
429
430 /*
431 * CFG802.11 operation handler to set the default network key.
432 */
433 static int
mwifiex_cfg80211_set_default_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool unicast,bool multicast)434 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
435 int link_id, u8 key_index, bool unicast,
436 bool multicast)
437 {
438 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
439
440 /* Return if WEP key not configured */
441 if (!priv->sec_info.wep_enabled)
442 return 0;
443
444 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
445 priv->wep_key_curr_index = key_index;
446 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
447 NULL, 0)) {
448 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
449 return -EFAULT;
450 }
451
452 return 0;
453 }
454
455 /*
456 * CFG802.11 operation handler to add a network key.
457 */
458 static int
mwifiex_cfg80211_add_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)459 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
460 int link_id, u8 key_index, bool pairwise,
461 const u8 *mac_addr, struct key_params *params)
462 {
463 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
464 struct mwifiex_wep_key *wep_key;
465 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
466 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
467
468 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
469 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
470 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
471 if (params->key && params->key_len) {
472 wep_key = &priv->wep_key[key_index];
473 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
474 memcpy(wep_key->key_material, params->key,
475 params->key_len);
476 wep_key->key_index = key_index;
477 wep_key->key_length = params->key_len;
478 priv->sec_info.wep_enabled = 1;
479 }
480 return 0;
481 }
482
483 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
484 key_index, peer_mac, 0)) {
485 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
486 return -EFAULT;
487 }
488
489 return 0;
490 }
491
492 /*
493 * CFG802.11 operation handler to set default mgmt key.
494 */
495 static int
mwifiex_cfg80211_set_default_mgmt_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index)496 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
497 struct net_device *netdev,
498 int link_id,
499 u8 key_index)
500 {
501 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
502 struct mwifiex_ds_encrypt_key encrypt_key;
503
504 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index);
505
506 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
507 encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
508 encrypt_key.key_index = key_index;
509 encrypt_key.is_igtk_def_key = true;
510 eth_broadcast_addr(encrypt_key.mac_addr);
511
512 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
513 HostCmd_ACT_GEN_SET, true, &encrypt_key, true)) {
514 mwifiex_dbg(priv->adapter, ERROR,
515 "Sending KEY_MATERIAL command failed\n");
516 return -1;
517 }
518
519 return 0;
520 }
521
522 /*
523 * This function sends domain information to the firmware.
524 *
525 * The following information are passed to the firmware -
526 * - Country codes
527 * - Sub bands (first channel, number of channels, maximum Tx power)
528 */
mwifiex_send_domain_info_cmd_fw(struct wiphy * wiphy)529 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
530 {
531 u8 no_of_triplet = 0;
532 struct ieee80211_country_ie_triplet *t;
533 u8 no_of_parsed_chan = 0;
534 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
535 u8 i, flag = 0;
536 enum nl80211_band band;
537 struct ieee80211_supported_band *sband;
538 struct ieee80211_channel *ch;
539 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
540 struct mwifiex_private *priv;
541 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
542
543 /* Set country code */
544 domain_info->country_code[0] = adapter->country_code[0];
545 domain_info->country_code[1] = adapter->country_code[1];
546 domain_info->country_code[2] = ' ';
547
548 band = mwifiex_band_to_radio_type(adapter->config_bands);
549 if (!wiphy->bands[band]) {
550 mwifiex_dbg(adapter, ERROR,
551 "11D: setting domain info in FW\n");
552 return -1;
553 }
554
555 sband = wiphy->bands[band];
556
557 for (i = 0; i < sband->n_channels ; i++) {
558 ch = &sband->channels[i];
559 if (ch->flags & IEEE80211_CHAN_DISABLED)
560 continue;
561
562 if (!flag) {
563 flag = 1;
564 first_chan = (u32) ch->hw_value;
565 next_chan = first_chan;
566 max_pwr = ch->max_power;
567 no_of_parsed_chan = 1;
568 continue;
569 }
570
571 if (ch->hw_value == next_chan + 1 &&
572 ch->max_power == max_pwr) {
573 next_chan++;
574 no_of_parsed_chan++;
575 } else {
576 t = &domain_info->triplet[no_of_triplet];
577 t->chans.first_channel = first_chan;
578 t->chans.num_channels = no_of_parsed_chan;
579 t->chans.max_power = max_pwr;
580 no_of_triplet++;
581 first_chan = (u32) ch->hw_value;
582 next_chan = first_chan;
583 max_pwr = ch->max_power;
584 no_of_parsed_chan = 1;
585 }
586 }
587
588 if (flag) {
589 t = &domain_info->triplet[no_of_triplet];
590 t->chans.first_channel = first_chan;
591 t->chans.num_channels = no_of_parsed_chan;
592 t->chans.max_power = max_pwr;
593 no_of_triplet++;
594 }
595
596 domain_info->no_of_triplet = no_of_triplet;
597
598 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
599
600 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
601 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
602 mwifiex_dbg(adapter, INFO,
603 "11D: setting domain info in FW\n");
604 return -1;
605 }
606
607 return 0;
608 }
609
mwifiex_reg_apply_radar_flags(struct wiphy * wiphy)610 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy)
611 {
612 struct ieee80211_supported_band *sband;
613 struct ieee80211_channel *chan;
614 unsigned int i;
615
616 if (!wiphy->bands[NL80211_BAND_5GHZ])
617 return;
618 sband = wiphy->bands[NL80211_BAND_5GHZ];
619
620 for (i = 0; i < sband->n_channels; i++) {
621 chan = &sband->channels[i];
622 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) &&
623 (chan->flags & IEEE80211_CHAN_RADAR))
624 chan->flags |= IEEE80211_CHAN_NO_IR;
625 }
626 }
627
628 /*
629 * CFG802.11 regulatory domain callback function.
630 *
631 * This function is called when the regulatory domain is changed due to the
632 * following reasons -
633 * - Set by driver
634 * - Set by system core
635 * - Set by user
636 * - Set bt Country IE
637 */
mwifiex_reg_notifier(struct wiphy * wiphy,struct regulatory_request * request)638 static void mwifiex_reg_notifier(struct wiphy *wiphy,
639 struct regulatory_request *request)
640 {
641 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
642 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
643 MWIFIEX_BSS_ROLE_ANY);
644 mwifiex_dbg(adapter, INFO,
645 "info: cfg80211 regulatory domain callback for %c%c\n",
646 request->alpha2[0], request->alpha2[1]);
647 mwifiex_reg_apply_radar_flags(wiphy);
648
649 switch (request->initiator) {
650 case NL80211_REGDOM_SET_BY_DRIVER:
651 case NL80211_REGDOM_SET_BY_CORE:
652 case NL80211_REGDOM_SET_BY_USER:
653 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
654 break;
655 default:
656 mwifiex_dbg(adapter, ERROR,
657 "unknown regdom initiator: %d\n",
658 request->initiator);
659 return;
660 }
661
662 /* Don't send world or same regdom info to firmware */
663 if (strncmp(request->alpha2, "00", 2) &&
664 strncmp(request->alpha2, adapter->country_code,
665 sizeof(request->alpha2))) {
666 memcpy(adapter->country_code, request->alpha2,
667 sizeof(request->alpha2));
668 mwifiex_send_domain_info_cmd_fw(wiphy);
669 mwifiex_dnld_txpwr_table(priv);
670 }
671 }
672
673 /*
674 * This function sets the fragmentation threshold.
675 *
676 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
677 * and MWIFIEX_FRAG_MAX_VALUE.
678 */
679 static int
mwifiex_set_frag(struct mwifiex_private * priv,u32 frag_thr)680 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
681 {
682 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
683 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
684 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
685
686 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
687 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
688 &frag_thr, true);
689 }
690
691 /*
692 * This function sets the RTS threshold.
693
694 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
695 * and MWIFIEX_RTS_MAX_VALUE.
696 */
697 static int
mwifiex_set_rts(struct mwifiex_private * priv,u32 rts_thr)698 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
699 {
700 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
701 rts_thr = MWIFIEX_RTS_MAX_VALUE;
702
703 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
704 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
705 &rts_thr, true);
706 }
707
708 /*
709 * CFG802.11 operation handler to set wiphy parameters.
710 *
711 * This function can be used to set the RTS threshold and the
712 * Fragmentation threshold of the driver.
713 */
714 static int
mwifiex_cfg80211_set_wiphy_params(struct wiphy * wiphy,u32 changed)715 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
716 {
717 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
718 struct mwifiex_private *priv;
719 struct mwifiex_uap_bss_param *bss_cfg;
720 int ret;
721
722 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
723
724 switch (priv->bss_role) {
725 case MWIFIEX_BSS_ROLE_UAP:
726 if (priv->bss_started) {
727 mwifiex_dbg(adapter, ERROR,
728 "cannot change wiphy params when bss started");
729 return -EINVAL;
730 }
731
732 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
733 if (!bss_cfg)
734 return -ENOMEM;
735
736 mwifiex_set_sys_config_invalid_data(bss_cfg);
737
738 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
739 bss_cfg->rts_threshold = wiphy->rts_threshold;
740 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
741 bss_cfg->frag_threshold = wiphy->frag_threshold;
742 if (changed & WIPHY_PARAM_RETRY_LONG)
743 bss_cfg->retry_limit = wiphy->retry_long;
744
745 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
746 HostCmd_ACT_GEN_SET,
747 UAP_BSS_PARAMS_I, bss_cfg,
748 false);
749
750 kfree(bss_cfg);
751 if (ret) {
752 mwifiex_dbg(adapter, ERROR,
753 "Failed to set wiphy phy params\n");
754 return ret;
755 }
756 break;
757
758 case MWIFIEX_BSS_ROLE_STA:
759 if (priv->media_connected) {
760 mwifiex_dbg(adapter, ERROR,
761 "cannot change wiphy params when connected");
762 return -EINVAL;
763 }
764 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
765 ret = mwifiex_set_rts(priv,
766 wiphy->rts_threshold);
767 if (ret)
768 return ret;
769 }
770 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
771 ret = mwifiex_set_frag(priv,
772 wiphy->frag_threshold);
773 if (ret)
774 return ret;
775 }
776 break;
777 }
778
779 return 0;
780 }
781
782 static int
mwifiex_cfg80211_deinit_p2p(struct mwifiex_private * priv)783 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
784 {
785 u16 mode = P2P_MODE_DISABLE;
786
787 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
788 HostCmd_ACT_GEN_SET, 0, &mode, true))
789 return -1;
790
791 return 0;
792 }
793
794 /*
795 * This function initializes the functionalities for P2P client.
796 * The P2P client initialization sequence is:
797 * disable -> device -> client
798 */
799 static int
mwifiex_cfg80211_init_p2p_client(struct mwifiex_private * priv)800 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
801 {
802 u16 mode;
803
804 if (mwifiex_cfg80211_deinit_p2p(priv))
805 return -1;
806
807 mode = P2P_MODE_DEVICE;
808 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
809 HostCmd_ACT_GEN_SET, 0, &mode, true))
810 return -1;
811
812 mode = P2P_MODE_CLIENT;
813 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
814 HostCmd_ACT_GEN_SET, 0, &mode, true))
815 return -1;
816
817 return 0;
818 }
819
820 /*
821 * This function initializes the functionalities for P2P GO.
822 * The P2P GO initialization sequence is:
823 * disable -> device -> GO
824 */
825 static int
mwifiex_cfg80211_init_p2p_go(struct mwifiex_private * priv)826 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
827 {
828 u16 mode;
829
830 if (mwifiex_cfg80211_deinit_p2p(priv))
831 return -1;
832
833 mode = P2P_MODE_DEVICE;
834 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
835 HostCmd_ACT_GEN_SET, 0, &mode, true))
836 return -1;
837
838 mode = P2P_MODE_GO;
839 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
840 HostCmd_ACT_GEN_SET, 0, &mode, true))
841 return -1;
842
843 return 0;
844 }
845
mwifiex_deinit_priv_params(struct mwifiex_private * priv)846 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
847 {
848 struct mwifiex_adapter *adapter = priv->adapter;
849 unsigned long flags;
850
851 priv->mgmt_frame_mask = 0;
852 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
853 HostCmd_ACT_GEN_SET, 0,
854 &priv->mgmt_frame_mask, false)) {
855 mwifiex_dbg(adapter, ERROR,
856 "could not unregister mgmt frame rx\n");
857 return -1;
858 }
859
860 mwifiex_deauthenticate(priv, NULL);
861
862 spin_lock_irqsave(&adapter->main_proc_lock, flags);
863 adapter->main_locked = true;
864 if (adapter->mwifiex_processing) {
865 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
866 flush_workqueue(adapter->workqueue);
867 } else {
868 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
869 }
870
871 spin_lock_bh(&adapter->rx_proc_lock);
872 adapter->rx_locked = true;
873 if (adapter->rx_processing) {
874 spin_unlock_bh(&adapter->rx_proc_lock);
875 flush_workqueue(adapter->rx_workqueue);
876 } else {
877 spin_unlock_bh(&adapter->rx_proc_lock);
878 }
879
880 mwifiex_free_priv(priv);
881 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
882 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
883 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
884
885 return 0;
886 }
887
888 static int
mwifiex_init_new_priv_params(struct mwifiex_private * priv,struct net_device * dev,enum nl80211_iftype type)889 mwifiex_init_new_priv_params(struct mwifiex_private *priv,
890 struct net_device *dev,
891 enum nl80211_iftype type)
892 {
893 struct mwifiex_adapter *adapter = priv->adapter;
894 unsigned long flags;
895
896 mwifiex_init_priv(priv);
897
898 priv->bss_mode = type;
899 priv->wdev.iftype = type;
900
901 mwifiex_init_priv_params(priv, priv->netdev);
902 priv->bss_started = 0;
903
904 switch (type) {
905 case NL80211_IFTYPE_STATION:
906 case NL80211_IFTYPE_ADHOC:
907 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
908 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
909 break;
910 case NL80211_IFTYPE_P2P_CLIENT:
911 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
912 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
913 break;
914 case NL80211_IFTYPE_P2P_GO:
915 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
916 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
917 break;
918 case NL80211_IFTYPE_AP:
919 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
920 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
921 break;
922 default:
923 mwifiex_dbg(adapter, ERROR,
924 "%s: changing to %d not supported\n",
925 dev->name, type);
926 return -EOPNOTSUPP;
927 }
928
929 priv->bss_num = mwifiex_get_unused_bss_num(adapter, priv->bss_type);
930
931 spin_lock_irqsave(&adapter->main_proc_lock, flags);
932 adapter->main_locked = false;
933 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
934
935 spin_lock_bh(&adapter->rx_proc_lock);
936 adapter->rx_locked = false;
937 spin_unlock_bh(&adapter->rx_proc_lock);
938
939 mwifiex_set_mac_address(priv, dev, false, NULL);
940
941 return 0;
942 }
943
944 static bool
is_vif_type_change_allowed(struct mwifiex_adapter * adapter,enum nl80211_iftype old_iftype,enum nl80211_iftype new_iftype)945 is_vif_type_change_allowed(struct mwifiex_adapter *adapter,
946 enum nl80211_iftype old_iftype,
947 enum nl80211_iftype new_iftype)
948 {
949 switch (old_iftype) {
950 case NL80211_IFTYPE_ADHOC:
951 switch (new_iftype) {
952 case NL80211_IFTYPE_STATION:
953 return true;
954 case NL80211_IFTYPE_P2P_CLIENT:
955 case NL80211_IFTYPE_P2P_GO:
956 return adapter->curr_iface_comb.p2p_intf !=
957 adapter->iface_limit.p2p_intf;
958 case NL80211_IFTYPE_AP:
959 return adapter->curr_iface_comb.uap_intf !=
960 adapter->iface_limit.uap_intf;
961 default:
962 return false;
963 }
964
965 case NL80211_IFTYPE_STATION:
966 switch (new_iftype) {
967 case NL80211_IFTYPE_ADHOC:
968 return true;
969 case NL80211_IFTYPE_P2P_CLIENT:
970 case NL80211_IFTYPE_P2P_GO:
971 return adapter->curr_iface_comb.p2p_intf !=
972 adapter->iface_limit.p2p_intf;
973 case NL80211_IFTYPE_AP:
974 return adapter->curr_iface_comb.uap_intf !=
975 adapter->iface_limit.uap_intf;
976 default:
977 return false;
978 }
979
980 case NL80211_IFTYPE_AP:
981 switch (new_iftype) {
982 case NL80211_IFTYPE_ADHOC:
983 case NL80211_IFTYPE_STATION:
984 return adapter->curr_iface_comb.sta_intf !=
985 adapter->iface_limit.sta_intf;
986 case NL80211_IFTYPE_P2P_CLIENT:
987 case NL80211_IFTYPE_P2P_GO:
988 return adapter->curr_iface_comb.p2p_intf !=
989 adapter->iface_limit.p2p_intf;
990 default:
991 return false;
992 }
993
994 case NL80211_IFTYPE_P2P_CLIENT:
995 switch (new_iftype) {
996 case NL80211_IFTYPE_ADHOC:
997 case NL80211_IFTYPE_STATION:
998 return true;
999 case NL80211_IFTYPE_P2P_GO:
1000 return true;
1001 case NL80211_IFTYPE_AP:
1002 return adapter->curr_iface_comb.uap_intf !=
1003 adapter->iface_limit.uap_intf;
1004 default:
1005 return false;
1006 }
1007
1008 case NL80211_IFTYPE_P2P_GO:
1009 switch (new_iftype) {
1010 case NL80211_IFTYPE_ADHOC:
1011 case NL80211_IFTYPE_STATION:
1012 return true;
1013 case NL80211_IFTYPE_P2P_CLIENT:
1014 return true;
1015 case NL80211_IFTYPE_AP:
1016 return adapter->curr_iface_comb.uap_intf !=
1017 adapter->iface_limit.uap_intf;
1018 default:
1019 return false;
1020 }
1021
1022 default:
1023 break;
1024 }
1025
1026 return false;
1027 }
1028
1029 static void
update_vif_type_counter(struct mwifiex_adapter * adapter,enum nl80211_iftype iftype,int change)1030 update_vif_type_counter(struct mwifiex_adapter *adapter,
1031 enum nl80211_iftype iftype,
1032 int change)
1033 {
1034 switch (iftype) {
1035 case NL80211_IFTYPE_UNSPECIFIED:
1036 case NL80211_IFTYPE_ADHOC:
1037 case NL80211_IFTYPE_STATION:
1038 adapter->curr_iface_comb.sta_intf += change;
1039 break;
1040 case NL80211_IFTYPE_AP:
1041 adapter->curr_iface_comb.uap_intf += change;
1042 break;
1043 case NL80211_IFTYPE_P2P_CLIENT:
1044 case NL80211_IFTYPE_P2P_GO:
1045 adapter->curr_iface_comb.p2p_intf += change;
1046 break;
1047 default:
1048 mwifiex_dbg(adapter, ERROR,
1049 "%s: Unsupported iftype passed: %d\n",
1050 __func__, iftype);
1051 break;
1052 }
1053 }
1054
1055 static int
mwifiex_change_vif_to_p2p(struct net_device * dev,enum nl80211_iftype curr_iftype,enum nl80211_iftype type,struct vif_params * params)1056 mwifiex_change_vif_to_p2p(struct net_device *dev,
1057 enum nl80211_iftype curr_iftype,
1058 enum nl80211_iftype type,
1059 struct vif_params *params)
1060 {
1061 struct mwifiex_private *priv;
1062 struct mwifiex_adapter *adapter;
1063
1064 priv = mwifiex_netdev_get_priv(dev);
1065
1066 if (!priv)
1067 return -1;
1068
1069 adapter = priv->adapter;
1070
1071 mwifiex_dbg(adapter, INFO,
1072 "%s: changing role to p2p\n", dev->name);
1073
1074 if (mwifiex_deinit_priv_params(priv))
1075 return -1;
1076 if (mwifiex_init_new_priv_params(priv, dev, type))
1077 return -1;
1078
1079 update_vif_type_counter(adapter, curr_iftype, -1);
1080 update_vif_type_counter(adapter, type, +1);
1081 dev->ieee80211_ptr->iftype = type;
1082
1083 switch (type) {
1084 case NL80211_IFTYPE_P2P_CLIENT:
1085 if (mwifiex_cfg80211_init_p2p_client(priv))
1086 return -EFAULT;
1087 break;
1088 case NL80211_IFTYPE_P2P_GO:
1089 if (mwifiex_cfg80211_init_p2p_go(priv))
1090 return -EFAULT;
1091 break;
1092 default:
1093 mwifiex_dbg(adapter, ERROR,
1094 "%s: changing to %d not supported\n",
1095 dev->name, type);
1096 return -EOPNOTSUPP;
1097 }
1098
1099 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1100 HostCmd_ACT_GEN_SET, 0, NULL, true))
1101 return -1;
1102
1103 if (mwifiex_sta_init_cmd(priv, false, false))
1104 return -1;
1105
1106 return 0;
1107 }
1108
1109 static int
mwifiex_change_vif_to_sta_adhoc(struct net_device * dev,enum nl80211_iftype curr_iftype,enum nl80211_iftype type,struct vif_params * params)1110 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
1111 enum nl80211_iftype curr_iftype,
1112 enum nl80211_iftype type,
1113 struct vif_params *params)
1114 {
1115 struct mwifiex_private *priv;
1116 struct mwifiex_adapter *adapter;
1117
1118 priv = mwifiex_netdev_get_priv(dev);
1119
1120 if (!priv)
1121 return -1;
1122
1123 adapter = priv->adapter;
1124
1125 if (type == NL80211_IFTYPE_STATION)
1126 mwifiex_dbg(adapter, INFO,
1127 "%s: changing role to station\n", dev->name);
1128 else
1129 mwifiex_dbg(adapter, INFO,
1130 "%s: changing role to adhoc\n", dev->name);
1131
1132 if (mwifiex_deinit_priv_params(priv))
1133 return -1;
1134 if (mwifiex_init_new_priv_params(priv, dev, type))
1135 return -1;
1136
1137 update_vif_type_counter(adapter, curr_iftype, -1);
1138 update_vif_type_counter(adapter, type, +1);
1139 dev->ieee80211_ptr->iftype = type;
1140
1141 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1142 HostCmd_ACT_GEN_SET, 0, NULL, true))
1143 return -1;
1144 if (mwifiex_sta_init_cmd(priv, false, false))
1145 return -1;
1146
1147 return 0;
1148 }
1149
1150 static int
mwifiex_change_vif_to_ap(struct net_device * dev,enum nl80211_iftype curr_iftype,enum nl80211_iftype type,struct vif_params * params)1151 mwifiex_change_vif_to_ap(struct net_device *dev,
1152 enum nl80211_iftype curr_iftype,
1153 enum nl80211_iftype type,
1154 struct vif_params *params)
1155 {
1156 struct mwifiex_private *priv;
1157 struct mwifiex_adapter *adapter;
1158
1159 priv = mwifiex_netdev_get_priv(dev);
1160
1161 if (!priv)
1162 return -1;
1163
1164 adapter = priv->adapter;
1165
1166 mwifiex_dbg(adapter, INFO,
1167 "%s: changing role to AP\n", dev->name);
1168
1169 if (mwifiex_deinit_priv_params(priv))
1170 return -1;
1171 if (mwifiex_init_new_priv_params(priv, dev, type))
1172 return -1;
1173
1174 update_vif_type_counter(adapter, curr_iftype, -1);
1175 update_vif_type_counter(adapter, type, +1);
1176 dev->ieee80211_ptr->iftype = type;
1177
1178 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1179 HostCmd_ACT_GEN_SET, 0, NULL, true))
1180 return -1;
1181 if (mwifiex_sta_init_cmd(priv, false, false))
1182 return -1;
1183
1184 return 0;
1185 }
1186 /*
1187 * CFG802.11 operation handler to change interface type.
1188 */
1189 static int
mwifiex_cfg80211_change_virtual_intf(struct wiphy * wiphy,struct net_device * dev,enum nl80211_iftype type,struct vif_params * params)1190 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1191 struct net_device *dev,
1192 enum nl80211_iftype type,
1193 struct vif_params *params)
1194 {
1195 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1196 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1197
1198 if (priv->scan_request) {
1199 mwifiex_dbg(priv->adapter, ERROR,
1200 "change virtual interface: scan in process\n");
1201 return -EBUSY;
1202 }
1203
1204 if (type == NL80211_IFTYPE_UNSPECIFIED) {
1205 mwifiex_dbg(priv->adapter, INFO,
1206 "%s: no new type specified, keeping old type %d\n",
1207 dev->name, curr_iftype);
1208 return 0;
1209 }
1210
1211 if (curr_iftype == type) {
1212 mwifiex_dbg(priv->adapter, INFO,
1213 "%s: interface already is of type %d\n",
1214 dev->name, curr_iftype);
1215 return 0;
1216 }
1217
1218 if (!is_vif_type_change_allowed(priv->adapter, curr_iftype, type)) {
1219 mwifiex_dbg(priv->adapter, ERROR,
1220 "%s: change from type %d to %d is not allowed\n",
1221 dev->name, curr_iftype, type);
1222 return -EOPNOTSUPP;
1223 }
1224
1225 switch (curr_iftype) {
1226 case NL80211_IFTYPE_ADHOC:
1227 switch (type) {
1228 case NL80211_IFTYPE_STATION:
1229 priv->bss_mode = type;
1230 priv->sec_info.authentication_mode =
1231 NL80211_AUTHTYPE_OPEN_SYSTEM;
1232 dev->ieee80211_ptr->iftype = type;
1233 mwifiex_deauthenticate(priv, NULL);
1234 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1235 HostCmd_ACT_GEN_SET, 0, NULL,
1236 true);
1237 case NL80211_IFTYPE_P2P_CLIENT:
1238 case NL80211_IFTYPE_P2P_GO:
1239 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1240 type, params);
1241 case NL80211_IFTYPE_AP:
1242 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1243 params);
1244 default:
1245 goto errnotsupp;
1246 }
1247
1248 case NL80211_IFTYPE_STATION:
1249 switch (type) {
1250 case NL80211_IFTYPE_ADHOC:
1251 priv->bss_mode = type;
1252 priv->sec_info.authentication_mode =
1253 NL80211_AUTHTYPE_OPEN_SYSTEM;
1254 dev->ieee80211_ptr->iftype = type;
1255 mwifiex_deauthenticate(priv, NULL);
1256 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1257 HostCmd_ACT_GEN_SET, 0, NULL,
1258 true);
1259 case NL80211_IFTYPE_P2P_CLIENT:
1260 case NL80211_IFTYPE_P2P_GO:
1261 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1262 type, params);
1263 case NL80211_IFTYPE_AP:
1264 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1265 params);
1266 default:
1267 goto errnotsupp;
1268 }
1269
1270 case NL80211_IFTYPE_AP:
1271 switch (type) {
1272 case NL80211_IFTYPE_ADHOC:
1273 case NL80211_IFTYPE_STATION:
1274 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1275 type, params);
1276 break;
1277 case NL80211_IFTYPE_P2P_CLIENT:
1278 case NL80211_IFTYPE_P2P_GO:
1279 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1280 type, params);
1281 default:
1282 goto errnotsupp;
1283 }
1284
1285 case NL80211_IFTYPE_P2P_CLIENT:
1286 if (mwifiex_cfg80211_deinit_p2p(priv))
1287 return -EFAULT;
1288
1289 switch (type) {
1290 case NL80211_IFTYPE_ADHOC:
1291 case NL80211_IFTYPE_STATION:
1292 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1293 type, params);
1294 case NL80211_IFTYPE_P2P_GO:
1295 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1296 type, params);
1297 case NL80211_IFTYPE_AP:
1298 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1299 params);
1300 default:
1301 goto errnotsupp;
1302 }
1303
1304 case NL80211_IFTYPE_P2P_GO:
1305 if (mwifiex_cfg80211_deinit_p2p(priv))
1306 return -EFAULT;
1307
1308 switch (type) {
1309 case NL80211_IFTYPE_ADHOC:
1310 case NL80211_IFTYPE_STATION:
1311 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1312 type, params);
1313 case NL80211_IFTYPE_P2P_CLIENT:
1314 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1315 type, params);
1316 case NL80211_IFTYPE_AP:
1317 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1318 params);
1319 default:
1320 goto errnotsupp;
1321 }
1322
1323 default:
1324 goto errnotsupp;
1325 }
1326
1327
1328 return 0;
1329
1330 errnotsupp:
1331 mwifiex_dbg(priv->adapter, ERROR,
1332 "unsupported interface type transition: %d to %d\n",
1333 curr_iftype, type);
1334 return -EOPNOTSUPP;
1335 }
1336
1337 static void
mwifiex_parse_htinfo(struct mwifiex_private * priv,u8 rateinfo,u8 htinfo,struct rate_info * rate)1338 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 rateinfo, u8 htinfo,
1339 struct rate_info *rate)
1340 {
1341 struct mwifiex_adapter *adapter = priv->adapter;
1342
1343 if (adapter->is_hw_11ac_capable) {
1344 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1345 if (htinfo & BIT(0)) {
1346 /* HT */
1347 rate->mcs = rateinfo;
1348 rate->flags |= RATE_INFO_FLAGS_MCS;
1349 }
1350 if (htinfo & BIT(1)) {
1351 /* VHT */
1352 rate->mcs = rateinfo & 0x0F;
1353 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1354 }
1355
1356 if (htinfo & (BIT(1) | BIT(0))) {
1357 /* HT or VHT */
1358 switch (htinfo & (BIT(3) | BIT(2))) {
1359 case 0:
1360 rate->bw = RATE_INFO_BW_20;
1361 break;
1362 case (BIT(2)):
1363 rate->bw = RATE_INFO_BW_40;
1364 break;
1365 case (BIT(3)):
1366 rate->bw = RATE_INFO_BW_80;
1367 break;
1368 case (BIT(3) | BIT(2)):
1369 rate->bw = RATE_INFO_BW_160;
1370 break;
1371 }
1372
1373 if (htinfo & BIT(4))
1374 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1375
1376 if ((rateinfo >> 4) == 1)
1377 rate->nss = 2;
1378 else
1379 rate->nss = 1;
1380 }
1381 } else {
1382 /*
1383 * Bit 0 in htinfo indicates that current rate is 11n. Valid
1384 * MCS index values for us are 0 to 15.
1385 */
1386 if ((htinfo & BIT(0)) && (rateinfo < 16)) {
1387 rate->mcs = rateinfo;
1388 rate->flags |= RATE_INFO_FLAGS_MCS;
1389 rate->bw = RATE_INFO_BW_20;
1390 if (htinfo & BIT(1))
1391 rate->bw = RATE_INFO_BW_40;
1392 if (htinfo & BIT(2))
1393 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1394 }
1395 }
1396
1397 /* Decode legacy rates for non-HT. */
1398 if (!(htinfo & (BIT(0) | BIT(1)))) {
1399 /* Bitrates in multiples of 100kb/s. */
1400 static const int legacy_rates[] = {
1401 [0] = 10,
1402 [1] = 20,
1403 [2] = 55,
1404 [3] = 110,
1405 [4] = 60, /* MWIFIEX_RATE_INDEX_OFDM0 */
1406 [5] = 60,
1407 [6] = 90,
1408 [7] = 120,
1409 [8] = 180,
1410 [9] = 240,
1411 [10] = 360,
1412 [11] = 480,
1413 [12] = 540,
1414 };
1415 if (rateinfo < ARRAY_SIZE(legacy_rates))
1416 rate->legacy = legacy_rates[rateinfo];
1417 }
1418 }
1419
1420 /*
1421 * This function dumps the station information on a buffer.
1422 *
1423 * The following information are shown -
1424 * - Total bytes transmitted
1425 * - Total bytes received
1426 * - Total packets transmitted
1427 * - Total packets received
1428 * - Signal quality level
1429 * - Transmission rate
1430 */
1431 static int
mwifiex_dump_station_info(struct mwifiex_private * priv,struct mwifiex_sta_node * node,struct station_info * sinfo)1432 mwifiex_dump_station_info(struct mwifiex_private *priv,
1433 struct mwifiex_sta_node *node,
1434 struct station_info *sinfo)
1435 {
1436 u32 rate;
1437
1438 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
1439 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
1440 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
1441 BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
1442
1443 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1444 if (!node)
1445 return -ENOENT;
1446
1447 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) |
1448 BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1449 sinfo->inactive_time =
1450 jiffies_to_msecs(jiffies - node->stats.last_rx);
1451
1452 sinfo->signal = node->stats.rssi;
1453 sinfo->signal_avg = node->stats.rssi;
1454 sinfo->rx_bytes = node->stats.rx_bytes;
1455 sinfo->tx_bytes = node->stats.tx_bytes;
1456 sinfo->rx_packets = node->stats.rx_packets;
1457 sinfo->tx_packets = node->stats.tx_packets;
1458 sinfo->tx_failed = node->stats.tx_failed;
1459
1460 mwifiex_parse_htinfo(priv, priv->tx_rate,
1461 node->stats.last_tx_htinfo,
1462 &sinfo->txrate);
1463 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1464
1465 return 0;
1466 }
1467
1468 /* Get signal information from the firmware */
1469 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1470 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1471 mwifiex_dbg(priv->adapter, ERROR,
1472 "failed to get signal information\n");
1473 return -EFAULT;
1474 }
1475
1476 if (mwifiex_drv_get_data_rate(priv, &rate)) {
1477 mwifiex_dbg(priv->adapter, ERROR,
1478 "getting data rate error\n");
1479 return -EFAULT;
1480 }
1481
1482 /* Get DTIM period information from firmware */
1483 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1484 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1485 &priv->dtim_period, true);
1486
1487 mwifiex_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo,
1488 &sinfo->txrate);
1489
1490 sinfo->signal_avg = priv->bcn_rssi_avg;
1491 sinfo->rx_bytes = priv->stats.rx_bytes;
1492 sinfo->tx_bytes = priv->stats.tx_bytes;
1493 sinfo->rx_packets = priv->stats.rx_packets;
1494 sinfo->tx_packets = priv->stats.tx_packets;
1495 sinfo->signal = priv->bcn_rssi_avg;
1496 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1497 sinfo->txrate.legacy = rate * 5;
1498
1499 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
1500 mwifiex_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo,
1501 &sinfo->rxrate);
1502
1503 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1504 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM);
1505 sinfo->bss_param.flags = 0;
1506 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1507 WLAN_CAPABILITY_SHORT_PREAMBLE)
1508 sinfo->bss_param.flags |=
1509 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1510 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1511 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1512 sinfo->bss_param.flags |=
1513 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1514 sinfo->bss_param.dtim_period = priv->dtim_period;
1515 sinfo->bss_param.beacon_interval =
1516 priv->curr_bss_params.bss_descriptor.beacon_period;
1517 }
1518
1519 return 0;
1520 }
1521
1522 /*
1523 * CFG802.11 operation handler to get station information.
1524 *
1525 * This function only works in connected mode, and dumps the
1526 * requested station information, if available.
1527 */
1528 static int
mwifiex_cfg80211_get_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_info * sinfo)1529 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1530 const u8 *mac, struct station_info *sinfo)
1531 {
1532 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1533
1534 if (!priv->media_connected)
1535 return -ENOENT;
1536 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1537 return -ENOENT;
1538
1539 return mwifiex_dump_station_info(priv, NULL, sinfo);
1540 }
1541
1542 /*
1543 * CFG802.11 operation handler to dump station information.
1544 */
1545 static int
mwifiex_cfg80211_dump_station(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * mac,struct station_info * sinfo)1546 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1547 int idx, u8 *mac, struct station_info *sinfo)
1548 {
1549 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1550 struct mwifiex_sta_node *node;
1551 int i;
1552
1553 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1554 priv->media_connected && idx == 0) {
1555 ether_addr_copy(mac, priv->cfg_bssid);
1556 return mwifiex_dump_station_info(priv, NULL, sinfo);
1557 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1558 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1559 HostCmd_ACT_GEN_GET, 0, NULL, true);
1560
1561 i = 0;
1562 list_for_each_entry(node, &priv->sta_list, list) {
1563 if (i++ != idx)
1564 continue;
1565 ether_addr_copy(mac, node->mac_addr);
1566 return mwifiex_dump_station_info(priv, node, sinfo);
1567 }
1568 }
1569
1570 return -ENOENT;
1571 }
1572
1573 static int
mwifiex_cfg80211_dump_survey(struct wiphy * wiphy,struct net_device * dev,int idx,struct survey_info * survey)1574 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1575 int idx, struct survey_info *survey)
1576 {
1577 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1578 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1579 enum nl80211_band band;
1580
1581 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1582
1583 memset(survey, 0, sizeof(struct survey_info));
1584
1585 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1586 priv->media_connected && idx == 0) {
1587 u8 curr_bss_band = priv->curr_bss_params.band;
1588 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1589
1590 band = mwifiex_band_to_radio_type(curr_bss_band);
1591 survey->channel = ieee80211_get_channel(wiphy,
1592 ieee80211_channel_to_frequency(chan, band));
1593
1594 if (priv->bcn_nf_last) {
1595 survey->filled = SURVEY_INFO_NOISE_DBM;
1596 survey->noise = priv->bcn_nf_last;
1597 }
1598 return 0;
1599 }
1600
1601 if (idx >= priv->adapter->num_in_chan_stats)
1602 return -ENOENT;
1603
1604 if (!pchan_stats[idx].cca_scan_dur)
1605 return 0;
1606
1607 band = pchan_stats[idx].bandcfg;
1608 survey->channel = ieee80211_get_channel(wiphy,
1609 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1610 survey->filled = SURVEY_INFO_NOISE_DBM |
1611 SURVEY_INFO_TIME |
1612 SURVEY_INFO_TIME_BUSY;
1613 survey->noise = pchan_stats[idx].noise;
1614 survey->time = pchan_stats[idx].cca_scan_dur;
1615 survey->time_busy = pchan_stats[idx].cca_busy_dur;
1616
1617 return 0;
1618 }
1619
1620 /* Supported rates to be advertised to the cfg80211 */
1621 static struct ieee80211_rate mwifiex_rates[] = {
1622 {.bitrate = 10, .hw_value = 2, },
1623 {.bitrate = 20, .hw_value = 4, },
1624 {.bitrate = 55, .hw_value = 11, },
1625 {.bitrate = 110, .hw_value = 22, },
1626 {.bitrate = 60, .hw_value = 12, },
1627 {.bitrate = 90, .hw_value = 18, },
1628 {.bitrate = 120, .hw_value = 24, },
1629 {.bitrate = 180, .hw_value = 36, },
1630 {.bitrate = 240, .hw_value = 48, },
1631 {.bitrate = 360, .hw_value = 72, },
1632 {.bitrate = 480, .hw_value = 96, },
1633 {.bitrate = 540, .hw_value = 108, },
1634 };
1635
1636 /* Channel definitions to be advertised to cfg80211 */
1637 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1638 {.center_freq = 2412, .hw_value = 1, },
1639 {.center_freq = 2417, .hw_value = 2, },
1640 {.center_freq = 2422, .hw_value = 3, },
1641 {.center_freq = 2427, .hw_value = 4, },
1642 {.center_freq = 2432, .hw_value = 5, },
1643 {.center_freq = 2437, .hw_value = 6, },
1644 {.center_freq = 2442, .hw_value = 7, },
1645 {.center_freq = 2447, .hw_value = 8, },
1646 {.center_freq = 2452, .hw_value = 9, },
1647 {.center_freq = 2457, .hw_value = 10, },
1648 {.center_freq = 2462, .hw_value = 11, },
1649 {.center_freq = 2467, .hw_value = 12, },
1650 {.center_freq = 2472, .hw_value = 13, },
1651 {.center_freq = 2484, .hw_value = 14, },
1652 };
1653
1654 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1655 .channels = mwifiex_channels_2ghz,
1656 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1657 .bitrates = mwifiex_rates,
1658 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1659 };
1660
1661 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1662 {.center_freq = 5040, .hw_value = 8, },
1663 {.center_freq = 5060, .hw_value = 12, },
1664 {.center_freq = 5080, .hw_value = 16, },
1665 {.center_freq = 5170, .hw_value = 34, },
1666 {.center_freq = 5190, .hw_value = 38, },
1667 {.center_freq = 5210, .hw_value = 42, },
1668 {.center_freq = 5230, .hw_value = 46, },
1669 {.center_freq = 5180, .hw_value = 36, },
1670 {.center_freq = 5200, .hw_value = 40, },
1671 {.center_freq = 5220, .hw_value = 44, },
1672 {.center_freq = 5240, .hw_value = 48, },
1673 {.center_freq = 5260, .hw_value = 52, },
1674 {.center_freq = 5280, .hw_value = 56, },
1675 {.center_freq = 5300, .hw_value = 60, },
1676 {.center_freq = 5320, .hw_value = 64, },
1677 {.center_freq = 5500, .hw_value = 100, },
1678 {.center_freq = 5520, .hw_value = 104, },
1679 {.center_freq = 5540, .hw_value = 108, },
1680 {.center_freq = 5560, .hw_value = 112, },
1681 {.center_freq = 5580, .hw_value = 116, },
1682 {.center_freq = 5600, .hw_value = 120, },
1683 {.center_freq = 5620, .hw_value = 124, },
1684 {.center_freq = 5640, .hw_value = 128, },
1685 {.center_freq = 5660, .hw_value = 132, },
1686 {.center_freq = 5680, .hw_value = 136, },
1687 {.center_freq = 5700, .hw_value = 140, },
1688 {.center_freq = 5745, .hw_value = 149, },
1689 {.center_freq = 5765, .hw_value = 153, },
1690 {.center_freq = 5785, .hw_value = 157, },
1691 {.center_freq = 5805, .hw_value = 161, },
1692 {.center_freq = 5825, .hw_value = 165, },
1693 };
1694
1695 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1696 .channels = mwifiex_channels_5ghz,
1697 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1698 .bitrates = mwifiex_rates + 4,
1699 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1700 };
1701
1702
1703 /* Supported crypto cipher suits to be advertised to cfg80211 */
1704 static const u32 mwifiex_cipher_suites[] = {
1705 WLAN_CIPHER_SUITE_WEP40,
1706 WLAN_CIPHER_SUITE_WEP104,
1707 WLAN_CIPHER_SUITE_TKIP,
1708 WLAN_CIPHER_SUITE_CCMP,
1709 WLAN_CIPHER_SUITE_SMS4,
1710 WLAN_CIPHER_SUITE_AES_CMAC,
1711 };
1712
1713 /* Supported mgmt frame types to be advertised to cfg80211 */
1714 static const struct ieee80211_txrx_stypes
1715 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1716 [NL80211_IFTYPE_STATION] = {
1717 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1718 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1719 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1720 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1721 },
1722 [NL80211_IFTYPE_AP] = {
1723 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1724 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1725 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1726 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1727 },
1728 [NL80211_IFTYPE_P2P_CLIENT] = {
1729 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1730 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1731 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1732 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1733 },
1734 [NL80211_IFTYPE_P2P_GO] = {
1735 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1736 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1737 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1738 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1739 },
1740 };
1741
1742 /*
1743 * CFG802.11 operation handler for setting bit rates.
1744 *
1745 * Function configures data rates to firmware using bitrate mask
1746 * provided by cfg80211.
1747 */
1748 static int
mwifiex_cfg80211_set_bitrate_mask(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id,const u8 * peer,const struct cfg80211_bitrate_mask * mask)1749 mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1750 struct net_device *dev,
1751 unsigned int link_id,
1752 const u8 *peer,
1753 const struct cfg80211_bitrate_mask *mask)
1754 {
1755 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1756 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1757 enum nl80211_band band;
1758 struct mwifiex_adapter *adapter = priv->adapter;
1759
1760 if (!priv->media_connected) {
1761 mwifiex_dbg(adapter, ERROR,
1762 "Can not set Tx data rate in disconnected state\n");
1763 return -EINVAL;
1764 }
1765
1766 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1767
1768 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1769
1770 /* Fill HR/DSSS rates. */
1771 if (band == NL80211_BAND_2GHZ)
1772 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1773
1774 /* Fill OFDM rates */
1775 if (band == NL80211_BAND_2GHZ)
1776 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1777 else
1778 bitmap_rates[1] = mask->control[band].legacy;
1779
1780 /* Fill HT MCS rates */
1781 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1782 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1783 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1784
1785 /* Fill VHT MCS rates */
1786 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1787 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1788 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1789 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1790 }
1791
1792 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1793 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1794 }
1795
1796 /*
1797 * CFG802.11 operation handler for connection quality monitoring.
1798 *
1799 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1800 * events to FW.
1801 */
mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy * wiphy,struct net_device * dev,s32 rssi_thold,u32 rssi_hyst)1802 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1803 struct net_device *dev,
1804 s32 rssi_thold, u32 rssi_hyst)
1805 {
1806 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1807 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1808
1809 priv->cqm_rssi_thold = rssi_thold;
1810 priv->cqm_rssi_hyst = rssi_hyst;
1811
1812 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1813 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1814
1815 /* Subscribe/unsubscribe low and high rssi events */
1816 if (rssi_thold && rssi_hyst) {
1817 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1818 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1819 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1820 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1821 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1822 return mwifiex_send_cmd(priv,
1823 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1824 0, 0, &subsc_evt, true);
1825 } else {
1826 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1827 return mwifiex_send_cmd(priv,
1828 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1829 0, 0, &subsc_evt, true);
1830 }
1831
1832 return 0;
1833 }
1834
1835 /* cfg80211 operation handler for change_beacon.
1836 * Function retrieves and sets modified management IEs to FW.
1837 */
mwifiex_cfg80211_change_beacon(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_beacon_data * data)1838 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1839 struct net_device *dev,
1840 struct cfg80211_beacon_data *data)
1841 {
1842 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1843 struct mwifiex_adapter *adapter = priv->adapter;
1844
1845 mwifiex_cancel_scan(adapter);
1846
1847 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1848 mwifiex_dbg(priv->adapter, ERROR,
1849 "%s: bss_type mismatched\n", __func__);
1850 return -EINVAL;
1851 }
1852
1853 if (!priv->bss_started) {
1854 mwifiex_dbg(priv->adapter, ERROR,
1855 "%s: bss not started\n", __func__);
1856 return -EINVAL;
1857 }
1858
1859 if (mwifiex_set_mgmt_ies(priv, data)) {
1860 mwifiex_dbg(priv->adapter, ERROR,
1861 "%s: setting mgmt ies failed\n", __func__);
1862 return -EFAULT;
1863 }
1864
1865 return 0;
1866 }
1867
1868 /* cfg80211 operation handler for del_station.
1869 * Function deauthenticates station which value is provided in mac parameter.
1870 * If mac is NULL/broadcast, all stations in associated station list are
1871 * deauthenticated. If bss is not started or there are no stations in
1872 * associated stations list, no action is taken.
1873 */
1874 static int
mwifiex_cfg80211_del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)1875 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1876 struct station_del_parameters *params)
1877 {
1878 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1879 struct mwifiex_sta_node *sta_node;
1880 u8 deauth_mac[ETH_ALEN];
1881
1882 if (!priv->bss_started && priv->wdev.cac_started) {
1883 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1884 mwifiex_abort_cac(priv);
1885 }
1886
1887 if (list_empty(&priv->sta_list) || !priv->bss_started)
1888 return 0;
1889
1890 if (!params->mac || is_broadcast_ether_addr(params->mac))
1891 return 0;
1892
1893 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1894 __func__, params->mac);
1895
1896 eth_zero_addr(deauth_mac);
1897
1898 spin_lock_bh(&priv->sta_list_spinlock);
1899 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1900 if (sta_node)
1901 ether_addr_copy(deauth_mac, params->mac);
1902 spin_unlock_bh(&priv->sta_list_spinlock);
1903
1904 if (is_valid_ether_addr(deauth_mac)) {
1905 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1906 HostCmd_ACT_GEN_SET, 0,
1907 deauth_mac, true))
1908 return -1;
1909 }
1910
1911 return 0;
1912 }
1913
1914 static int
mwifiex_cfg80211_set_antenna(struct wiphy * wiphy,u32 tx_ant,u32 rx_ant)1915 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1916 {
1917 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1918 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1919 MWIFIEX_BSS_ROLE_ANY);
1920 struct mwifiex_ds_ant_cfg ant_cfg;
1921
1922 if (!tx_ant || !rx_ant)
1923 return -EOPNOTSUPP;
1924
1925 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1926 /* Not a MIMO chip. User should provide specific antenna number
1927 * for Tx/Rx path or enable all antennas for diversity
1928 */
1929 if (tx_ant != rx_ant)
1930 return -EOPNOTSUPP;
1931
1932 if ((tx_ant & (tx_ant - 1)) &&
1933 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1934 return -EOPNOTSUPP;
1935
1936 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1937 (priv->adapter->number_of_antenna > 1)) {
1938 tx_ant = RF_ANTENNA_AUTO;
1939 rx_ant = RF_ANTENNA_AUTO;
1940 }
1941 } else {
1942 struct ieee80211_sta_ht_cap *ht_info;
1943 int rx_mcs_supp;
1944 enum nl80211_band band;
1945
1946 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1947 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1948 if (adapter->is_hw_11ac_capable)
1949 adapter->usr_dot_11ac_mcs_support =
1950 MWIFIEX_11AC_MCS_MAP_1X1;
1951 } else {
1952 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1953 if (adapter->is_hw_11ac_capable)
1954 adapter->usr_dot_11ac_mcs_support =
1955 MWIFIEX_11AC_MCS_MAP_2X2;
1956 }
1957
1958 for (band = 0; band < NUM_NL80211_BANDS; band++) {
1959 if (!adapter->wiphy->bands[band])
1960 continue;
1961
1962 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1963 rx_mcs_supp =
1964 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1965 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1966 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1967 }
1968 }
1969
1970 ant_cfg.tx_ant = tx_ant;
1971 ant_cfg.rx_ant = rx_ant;
1972
1973 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1974 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1975 }
1976
1977 static int
mwifiex_cfg80211_get_antenna(struct wiphy * wiphy,u32 * tx_ant,u32 * rx_ant)1978 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1979 {
1980 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1981 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1982 MWIFIEX_BSS_ROLE_ANY);
1983 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1984 HostCmd_ACT_GEN_GET, 0, NULL, true);
1985
1986 *tx_ant = priv->tx_ant;
1987 *rx_ant = priv->rx_ant;
1988
1989 return 0;
1990 }
1991
1992 /* cfg80211 operation handler for stop ap.
1993 * Function stops BSS running at uAP interface.
1994 */
mwifiex_cfg80211_stop_ap(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id)1995 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
1996 unsigned int link_id)
1997 {
1998 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1999
2000 mwifiex_abort_cac(priv);
2001
2002 if (mwifiex_del_mgmt_ies(priv))
2003 mwifiex_dbg(priv->adapter, ERROR,
2004 "Failed to delete mgmt IEs!\n");
2005
2006 priv->ap_11n_enabled = 0;
2007 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
2008
2009 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
2010 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
2011 mwifiex_dbg(priv->adapter, ERROR,
2012 "Failed to stop the BSS\n");
2013 return -1;
2014 }
2015
2016 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
2017 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
2018 mwifiex_dbg(priv->adapter, ERROR,
2019 "Failed to reset BSS\n");
2020 return -1;
2021 }
2022
2023 if (netif_carrier_ok(priv->netdev))
2024 netif_carrier_off(priv->netdev);
2025 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
2026
2027 return 0;
2028 }
2029
2030 /* cfg80211 operation handler for start_ap.
2031 * Function sets beacon period, DTIM period, SSID and security into
2032 * AP config structure.
2033 * AP is configured with these settings and BSS is started.
2034 */
mwifiex_cfg80211_start_ap(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_settings * params)2035 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
2036 struct net_device *dev,
2037 struct cfg80211_ap_settings *params)
2038 {
2039 struct mwifiex_uap_bss_param *bss_cfg;
2040 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2041
2042 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
2043 return -1;
2044
2045 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
2046 if (!bss_cfg)
2047 return -ENOMEM;
2048
2049 mwifiex_set_sys_config_invalid_data(bss_cfg);
2050
2051 memcpy(bss_cfg->mac_addr, priv->curr_addr, ETH_ALEN);
2052
2053 if (params->beacon_interval)
2054 bss_cfg->beacon_period = params->beacon_interval;
2055 if (params->dtim_period)
2056 bss_cfg->dtim_period = params->dtim_period;
2057
2058 if (params->ssid && params->ssid_len) {
2059 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
2060 bss_cfg->ssid.ssid_len = params->ssid_len;
2061 }
2062 if (params->inactivity_timeout > 0) {
2063 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
2064 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
2065 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
2066 }
2067
2068 switch (params->hidden_ssid) {
2069 case NL80211_HIDDEN_SSID_NOT_IN_USE:
2070 bss_cfg->bcast_ssid_ctl = 1;
2071 break;
2072 case NL80211_HIDDEN_SSID_ZERO_LEN:
2073 bss_cfg->bcast_ssid_ctl = 0;
2074 break;
2075 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
2076 bss_cfg->bcast_ssid_ctl = 2;
2077 break;
2078 default:
2079 kfree(bss_cfg);
2080 return -EINVAL;
2081 }
2082
2083 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
2084 mwifiex_set_uap_rates(bss_cfg, params);
2085
2086 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
2087 mwifiex_dbg(priv->adapter, ERROR,
2088 "Failed to parse security parameters!\n");
2089 goto out;
2090 }
2091
2092 mwifiex_set_ht_params(priv, bss_cfg, params);
2093
2094 if (priv->adapter->is_hw_11ac_capable) {
2095 mwifiex_set_vht_params(priv, bss_cfg, params);
2096 mwifiex_set_vht_width(priv, params->chandef.width,
2097 priv->ap_11ac_enabled);
2098 }
2099
2100 if (priv->ap_11ac_enabled)
2101 mwifiex_set_11ac_ba_params(priv);
2102 else
2103 mwifiex_set_ba_params(priv);
2104
2105 mwifiex_set_wmm_params(priv, bss_cfg, params);
2106
2107 if (mwifiex_is_11h_active(priv))
2108 mwifiex_set_tpc_params(priv, bss_cfg, params);
2109
2110 if (mwifiex_is_11h_active(priv) &&
2111 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef,
2112 priv->bss_mode)) {
2113 mwifiex_dbg(priv->adapter, INFO,
2114 "Disable 11h extensions in FW\n");
2115 if (mwifiex_11h_activate(priv, false)) {
2116 mwifiex_dbg(priv->adapter, ERROR,
2117 "Failed to disable 11h extensions!!");
2118 goto out;
2119 }
2120 priv->state_11h.is_11h_active = false;
2121 }
2122
2123 mwifiex_config_uap_11d(priv, ¶ms->beacon);
2124
2125 if (mwifiex_config_start_uap(priv, bss_cfg)) {
2126 mwifiex_dbg(priv->adapter, ERROR,
2127 "Failed to start AP\n");
2128 goto out;
2129 }
2130
2131 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon))
2132 goto out;
2133
2134 if (!netif_carrier_ok(priv->netdev))
2135 netif_carrier_on(priv->netdev);
2136 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
2137
2138 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
2139 kfree(bss_cfg);
2140 return 0;
2141
2142 out:
2143 kfree(bss_cfg);
2144 return -1;
2145 }
2146
2147 /*
2148 * CFG802.11 operation handler for disconnection request.
2149 *
2150 * This function does not work when there is already a disconnection
2151 * procedure going on.
2152 */
2153 static int
mwifiex_cfg80211_disconnect(struct wiphy * wiphy,struct net_device * dev,u16 reason_code)2154 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2155 u16 reason_code)
2156 {
2157 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2158
2159 if (!mwifiex_stop_bg_scan(priv))
2160 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2161
2162 if (mwifiex_deauthenticate(priv, NULL))
2163 return -EFAULT;
2164
2165 eth_zero_addr(priv->cfg_bssid);
2166 priv->hs2_enabled = false;
2167
2168 return 0;
2169 }
2170
2171 /*
2172 * This function informs the CFG802.11 subsystem of a new IBSS.
2173 *
2174 * The following information are sent to the CFG802.11 subsystem
2175 * to register the new IBSS. If we do not register the new IBSS,
2176 * a kernel panic will result.
2177 * - SSID
2178 * - SSID length
2179 * - BSSID
2180 * - Channel
2181 */
mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private * priv)2182 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2183 {
2184 struct ieee80211_channel *chan;
2185 struct mwifiex_bss_info bss_info;
2186 struct cfg80211_bss *bss;
2187 int ie_len;
2188 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2189 enum nl80211_band band;
2190
2191 if (mwifiex_get_bss_info(priv, &bss_info))
2192 return -1;
2193
2194 ie_buf[0] = WLAN_EID_SSID;
2195 ie_buf[1] = bss_info.ssid.ssid_len;
2196
2197 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2198 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2199 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2200
2201 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2202 chan = ieee80211_get_channel(priv->wdev.wiphy,
2203 ieee80211_channel_to_frequency(bss_info.bss_chan,
2204 band));
2205
2206 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2207 CFG80211_BSS_FTYPE_UNKNOWN,
2208 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2209 0, ie_buf, ie_len, 0, GFP_KERNEL);
2210 if (bss) {
2211 cfg80211_put_bss(priv->wdev.wiphy, bss);
2212 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2213 }
2214
2215 return 0;
2216 }
2217
2218 /*
2219 * This function connects with a BSS.
2220 *
2221 * This function handles both Infra and Ad-Hoc modes. It also performs
2222 * validity checking on the provided parameters, disconnects from the
2223 * current BSS (if any), sets up the association/scan parameters,
2224 * including security settings, and performs specific SSID scan before
2225 * trying to connect.
2226 *
2227 * For Infra mode, the function returns failure if the specified SSID
2228 * is not found in scan table. However, for Ad-Hoc mode, it can create
2229 * the IBSS if it does not exist. On successful completion in either case,
2230 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2231 */
2232 static int
mwifiex_cfg80211_assoc(struct mwifiex_private * priv,size_t ssid_len,const u8 * ssid,const u8 * bssid,int mode,struct ieee80211_channel * channel,struct cfg80211_connect_params * sme,bool privacy,struct cfg80211_bss ** sel_bss)2233 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2234 const u8 *ssid, const u8 *bssid, int mode,
2235 struct ieee80211_channel *channel,
2236 struct cfg80211_connect_params *sme, bool privacy,
2237 struct cfg80211_bss **sel_bss)
2238 {
2239 struct cfg80211_ssid req_ssid;
2240 int ret, auth_type = 0;
2241 struct cfg80211_bss *bss = NULL;
2242 u8 is_scanning_required = 0;
2243
2244 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2245
2246 req_ssid.ssid_len = ssid_len;
2247 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2248 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2249 return -EINVAL;
2250 }
2251
2252 memcpy(req_ssid.ssid, ssid, ssid_len);
2253 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2254 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2255 return -EINVAL;
2256 }
2257
2258 /* As this is new association, clear locally stored
2259 * keys and security related flags */
2260 priv->sec_info.wpa_enabled = false;
2261 priv->sec_info.wpa2_enabled = false;
2262 priv->wep_key_curr_index = 0;
2263 priv->sec_info.encryption_mode = 0;
2264 priv->sec_info.is_authtype_auto = 0;
2265 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2266
2267 if (mode == NL80211_IFTYPE_ADHOC) {
2268 u16 enable = true;
2269
2270 /* set ibss coalescing_status */
2271 ret = mwifiex_send_cmd(
2272 priv,
2273 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2274 HostCmd_ACT_GEN_SET, 0, &enable, true);
2275 if (ret)
2276 return ret;
2277
2278 /* "privacy" is set only for ad-hoc mode */
2279 if (privacy) {
2280 /*
2281 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2282 * the firmware can find a matching network from the
2283 * scan. The cfg80211 does not give us the encryption
2284 * mode at this stage so just setting it to WEP here.
2285 */
2286 priv->sec_info.encryption_mode =
2287 WLAN_CIPHER_SUITE_WEP104;
2288 priv->sec_info.authentication_mode =
2289 NL80211_AUTHTYPE_OPEN_SYSTEM;
2290 }
2291
2292 goto done;
2293 }
2294
2295 /* Now handle infra mode. "sme" is valid for infra mode only */
2296 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2297 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2298 priv->sec_info.is_authtype_auto = 1;
2299 } else {
2300 auth_type = sme->auth_type;
2301 }
2302
2303 if (sme->crypto.n_ciphers_pairwise) {
2304 priv->sec_info.encryption_mode =
2305 sme->crypto.ciphers_pairwise[0];
2306 priv->sec_info.authentication_mode = auth_type;
2307 }
2308
2309 if (sme->crypto.cipher_group) {
2310 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2311 priv->sec_info.authentication_mode = auth_type;
2312 }
2313 if (sme->ie)
2314 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2315
2316 if (sme->key) {
2317 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2318 mwifiex_dbg(priv->adapter, INFO,
2319 "info: setting wep encryption\t"
2320 "with key len %d\n", sme->key_len);
2321 priv->wep_key_curr_index = sme->key_idx;
2322 ret = mwifiex_set_encode(priv, NULL, sme->key,
2323 sme->key_len, sme->key_idx,
2324 NULL, 0);
2325 }
2326 }
2327 done:
2328 /*
2329 * Scan entries are valid for some time (15 sec). So we can save one
2330 * active scan time if we just try cfg80211_get_bss first. If it fails
2331 * then request scan and cfg80211_get_bss() again for final output.
2332 */
2333 while (1) {
2334 if (is_scanning_required) {
2335 /* Do specific SSID scanning */
2336 if (mwifiex_request_scan(priv, &req_ssid)) {
2337 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2338 return -EFAULT;
2339 }
2340 }
2341
2342 /* Find the BSS we want using available scan results */
2343 if (mode == NL80211_IFTYPE_ADHOC)
2344 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2345 bssid, ssid, ssid_len,
2346 IEEE80211_BSS_TYPE_IBSS,
2347 IEEE80211_PRIVACY_ANY);
2348 else
2349 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2350 bssid, ssid, ssid_len,
2351 IEEE80211_BSS_TYPE_ESS,
2352 IEEE80211_PRIVACY_ANY);
2353
2354 if (!bss) {
2355 if (is_scanning_required) {
2356 mwifiex_dbg(priv->adapter, MSG,
2357 "assoc: requested bss not found in scan results\n");
2358 break;
2359 }
2360 is_scanning_required = 1;
2361 } else {
2362 mwifiex_dbg(priv->adapter, MSG,
2363 "info: trying to associate to bssid %pM\n",
2364 bss->bssid);
2365 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2366 break;
2367 }
2368 }
2369
2370 if (bss)
2371 cfg80211_ref_bss(priv->adapter->wiphy, bss);
2372
2373 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2374 if (ret)
2375 goto cleanup;
2376
2377 if (mode == NL80211_IFTYPE_ADHOC) {
2378 /* Inform the BSS information to kernel, otherwise
2379 * kernel will give a panic after successful assoc */
2380 if (mwifiex_cfg80211_inform_ibss_bss(priv)) {
2381 ret = -EFAULT;
2382 goto cleanup;
2383 }
2384 }
2385
2386 /* Pass the selected BSS entry to caller. */
2387 if (sel_bss) {
2388 *sel_bss = bss;
2389 bss = NULL;
2390 }
2391
2392 cleanup:
2393 if (bss)
2394 cfg80211_put_bss(priv->adapter->wiphy, bss);
2395 return ret;
2396 }
2397
2398 /*
2399 * CFG802.11 operation handler for association request.
2400 *
2401 * This function does not work when the current mode is set to Ad-Hoc, or
2402 * when there is already an association procedure going on. The given BSS
2403 * information is used to associate.
2404 */
2405 static int
mwifiex_cfg80211_connect(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_connect_params * sme)2406 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2407 struct cfg80211_connect_params *sme)
2408 {
2409 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2410 struct mwifiex_adapter *adapter = priv->adapter;
2411 struct cfg80211_bss *bss = NULL;
2412 int ret;
2413
2414 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2415 mwifiex_dbg(adapter, ERROR,
2416 "%s: reject infra assoc request in non-STA role\n",
2417 dev->name);
2418 return -EINVAL;
2419 }
2420
2421 if (priv->wdev.connected) {
2422 mwifiex_dbg(adapter, ERROR,
2423 "%s: already connected\n", dev->name);
2424 return -EALREADY;
2425 }
2426
2427 if (priv->scan_block)
2428 priv->scan_block = false;
2429
2430 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) ||
2431 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) {
2432 mwifiex_dbg(adapter, ERROR,
2433 "%s: Ignore connection.\t"
2434 "Card removed or FW in bad state\n",
2435 dev->name);
2436 return -EFAULT;
2437 }
2438
2439 mwifiex_dbg(adapter, INFO,
2440 "info: Trying to associate to bssid %pM\n", sme->bssid);
2441
2442 if (!mwifiex_stop_bg_scan(priv))
2443 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2444
2445 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2446 priv->bss_mode, sme->channel, sme, 0,
2447 &bss);
2448 if (!ret) {
2449 cfg80211_connect_bss(priv->netdev, priv->cfg_bssid, bss, NULL,
2450 0, NULL, 0, WLAN_STATUS_SUCCESS,
2451 GFP_KERNEL, NL80211_TIMEOUT_UNSPECIFIED);
2452 mwifiex_dbg(priv->adapter, MSG,
2453 "info: associated to bssid %pM successfully\n",
2454 priv->cfg_bssid);
2455 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2456 priv->adapter->auto_tdls &&
2457 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2458 mwifiex_setup_auto_tdls_timer(priv);
2459 } else {
2460 mwifiex_dbg(priv->adapter, ERROR,
2461 "info: association to bssid %pM failed\n",
2462 priv->cfg_bssid);
2463 eth_zero_addr(priv->cfg_bssid);
2464
2465 if (ret > 0)
2466 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2467 NULL, 0, NULL, 0, ret,
2468 GFP_KERNEL);
2469 else
2470 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2471 NULL, 0, NULL, 0,
2472 WLAN_STATUS_UNSPECIFIED_FAILURE,
2473 GFP_KERNEL);
2474 }
2475
2476 return 0;
2477 }
2478
2479 /*
2480 * This function sets following parameters for ibss network.
2481 * - channel
2482 * - start band
2483 * - 11n flag
2484 * - secondary channel offset
2485 */
mwifiex_set_ibss_params(struct mwifiex_private * priv,struct cfg80211_ibss_params * params)2486 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2487 struct cfg80211_ibss_params *params)
2488 {
2489 struct mwifiex_adapter *adapter = priv->adapter;
2490 int index = 0, i;
2491 u8 config_bands = 0;
2492
2493 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2494 if (!params->basic_rates) {
2495 config_bands = BAND_B | BAND_G;
2496 } else {
2497 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2498 /*
2499 * Rates below 6 Mbps in the table are CCK
2500 * rates; 802.11b and from 6 they are OFDM;
2501 * 802.11G
2502 */
2503 if (mwifiex_rates[i].bitrate == 60) {
2504 index = 1 << i;
2505 break;
2506 }
2507 }
2508
2509 if (params->basic_rates < index) {
2510 config_bands = BAND_B;
2511 } else {
2512 config_bands = BAND_G;
2513 if (params->basic_rates % index)
2514 config_bands |= BAND_B;
2515 }
2516 }
2517
2518 if (cfg80211_get_chandef_type(¶ms->chandef) !=
2519 NL80211_CHAN_NO_HT)
2520 config_bands |= BAND_G | BAND_GN;
2521 } else {
2522 if (cfg80211_get_chandef_type(¶ms->chandef) ==
2523 NL80211_CHAN_NO_HT)
2524 config_bands = BAND_A;
2525 else
2526 config_bands = BAND_AN | BAND_A;
2527 }
2528
2529 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2530 adapter->config_bands = config_bands;
2531 adapter->adhoc_start_band = config_bands;
2532
2533 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2534 adapter->adhoc_11n_enabled = true;
2535 else
2536 adapter->adhoc_11n_enabled = false;
2537 }
2538
2539 adapter->sec_chan_offset =
2540 mwifiex_chan_type_to_sec_chan_offset(
2541 cfg80211_get_chandef_type(¶ms->chandef));
2542 priv->adhoc_channel = ieee80211_frequency_to_channel(
2543 params->chandef.chan->center_freq);
2544
2545 mwifiex_dbg(adapter, INFO,
2546 "info: set ibss band %d, chan %d, chan offset %d\n",
2547 config_bands, priv->adhoc_channel,
2548 adapter->sec_chan_offset);
2549
2550 return 0;
2551 }
2552
2553 /*
2554 * CFG802.11 operation handler to join an IBSS.
2555 *
2556 * This function does not work in any mode other than Ad-Hoc, or if
2557 * a join operation is already in progress.
2558 */
2559 static int
mwifiex_cfg80211_join_ibss(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ibss_params * params)2560 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2561 struct cfg80211_ibss_params *params)
2562 {
2563 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2564 int ret = 0;
2565
2566 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2567 mwifiex_dbg(priv->adapter, ERROR,
2568 "request to join ibss received\t"
2569 "when station is not in ibss mode\n");
2570 goto done;
2571 }
2572
2573 mwifiex_dbg(priv->adapter, MSG, "info: trying to join to bssid %pM\n",
2574 params->bssid);
2575
2576 mwifiex_set_ibss_params(priv, params);
2577
2578 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2579 params->bssid, priv->bss_mode,
2580 params->chandef.chan, NULL,
2581 params->privacy, NULL);
2582 done:
2583 if (!ret) {
2584 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2585 params->chandef.chan, GFP_KERNEL);
2586 mwifiex_dbg(priv->adapter, MSG,
2587 "info: joined/created adhoc network with bssid\t"
2588 "%pM successfully\n", priv->cfg_bssid);
2589 } else {
2590 mwifiex_dbg(priv->adapter, ERROR,
2591 "info: failed creating/joining adhoc network\n");
2592 }
2593
2594 return ret;
2595 }
2596
2597 /*
2598 * CFG802.11 operation handler to leave an IBSS.
2599 *
2600 * This function does not work if a leave operation is
2601 * already in progress.
2602 */
2603 static int
mwifiex_cfg80211_leave_ibss(struct wiphy * wiphy,struct net_device * dev)2604 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2605 {
2606 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2607
2608 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2609 priv->cfg_bssid);
2610 if (mwifiex_deauthenticate(priv, NULL))
2611 return -EFAULT;
2612
2613 eth_zero_addr(priv->cfg_bssid);
2614
2615 return 0;
2616 }
2617
2618 /*
2619 * CFG802.11 operation handler for scan request.
2620 *
2621 * This function issues a scan request to the firmware based upon
2622 * the user specified scan configuration. On successful completion,
2623 * it also informs the results.
2624 */
2625 static int
mwifiex_cfg80211_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)2626 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2627 struct cfg80211_scan_request *request)
2628 {
2629 struct net_device *dev = request->wdev->netdev;
2630 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2631 int i, offset, ret;
2632 struct ieee80211_channel *chan;
2633 struct ieee_types_header *ie;
2634 struct mwifiex_user_scan_cfg *user_scan_cfg;
2635 u8 mac_addr[ETH_ALEN];
2636
2637 mwifiex_dbg(priv->adapter, CMD,
2638 "info: received scan request on %s\n", dev->name);
2639
2640 /* Block scan request if scan operation or scan cleanup when interface
2641 * is disabled is in process
2642 */
2643 if (priv->scan_request || priv->scan_aborting) {
2644 mwifiex_dbg(priv->adapter, WARN,
2645 "cmd: Scan already in process..\n");
2646 return -EBUSY;
2647 }
2648
2649 if (!priv->wdev.connected && priv->scan_block)
2650 priv->scan_block = false;
2651
2652 if (!mwifiex_stop_bg_scan(priv))
2653 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2654
2655 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2656 if (!user_scan_cfg)
2657 return -ENOMEM;
2658
2659 priv->scan_request = request;
2660
2661 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
2662 get_random_mask_addr(mac_addr, request->mac_addr,
2663 request->mac_addr_mask);
2664 ether_addr_copy(request->mac_addr, mac_addr);
2665 ether_addr_copy(user_scan_cfg->random_mac, mac_addr);
2666 }
2667
2668 user_scan_cfg->num_ssids = request->n_ssids;
2669 user_scan_cfg->ssid_list = request->ssids;
2670
2671 if (request->ie && request->ie_len) {
2672 offset = 0;
2673 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2674 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2675 continue;
2676 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2677 ie = (struct ieee_types_header *)(request->ie + offset);
2678 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2679 offset += sizeof(*ie) + ie->len;
2680
2681 if (offset >= request->ie_len)
2682 break;
2683 }
2684 }
2685
2686 for (i = 0; i < min_t(u32, request->n_channels,
2687 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2688 chan = request->channels[i];
2689 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2690 user_scan_cfg->chan_list[i].radio_type = chan->band;
2691
2692 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2693 user_scan_cfg->chan_list[i].scan_type =
2694 MWIFIEX_SCAN_TYPE_PASSIVE;
2695 else
2696 user_scan_cfg->chan_list[i].scan_type =
2697 MWIFIEX_SCAN_TYPE_ACTIVE;
2698
2699 user_scan_cfg->chan_list[i].scan_time = 0;
2700 }
2701
2702 if (priv->adapter->scan_chan_gap_enabled &&
2703 mwifiex_is_any_intf_active(priv))
2704 user_scan_cfg->scan_chan_gap =
2705 priv->adapter->scan_chan_gap_time;
2706
2707 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2708 kfree(user_scan_cfg);
2709 if (ret) {
2710 mwifiex_dbg(priv->adapter, ERROR,
2711 "scan failed: %d\n", ret);
2712 priv->scan_aborting = false;
2713 priv->scan_request = NULL;
2714 return ret;
2715 }
2716
2717 if (request->ie && request->ie_len) {
2718 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2719 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2720 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2721 memset(&priv->vs_ie[i].ie, 0,
2722 MWIFIEX_MAX_VSIE_LEN);
2723 }
2724 }
2725 }
2726 return 0;
2727 }
2728
2729 /* CFG802.11 operation handler for sched_scan_start.
2730 *
2731 * This function issues a bgscan config request to the firmware based upon
2732 * the user specified sched_scan configuration. On successful completion,
2733 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2734 * query command to get sched_scan results from firmware.
2735 */
2736 static int
mwifiex_cfg80211_sched_scan_start(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_sched_scan_request * request)2737 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2738 struct net_device *dev,
2739 struct cfg80211_sched_scan_request *request)
2740 {
2741 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2742 int i, offset;
2743 struct ieee80211_channel *chan;
2744 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2745 struct ieee_types_header *ie;
2746
2747 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2748 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2749 __func__);
2750 return -EINVAL;
2751 }
2752
2753 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2754 request->n_ssids, request->n_match_sets);
2755 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2756 request->n_channels, request->scan_plans->interval,
2757 (int)request->ie_len);
2758
2759 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2760 if (!bgscan_cfg)
2761 return -ENOMEM;
2762
2763 if (priv->scan_request || priv->scan_aborting)
2764 bgscan_cfg->start_later = true;
2765
2766 bgscan_cfg->num_ssids = request->n_match_sets;
2767 bgscan_cfg->ssid_list = request->match_sets;
2768
2769 if (request->ie && request->ie_len) {
2770 offset = 0;
2771 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2772 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2773 continue;
2774 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2775 ie = (struct ieee_types_header *)(request->ie + offset);
2776 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2777 offset += sizeof(*ie) + ie->len;
2778
2779 if (offset >= request->ie_len)
2780 break;
2781 }
2782 }
2783
2784 for (i = 0; i < min_t(u32, request->n_channels,
2785 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2786 chan = request->channels[i];
2787 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2788 bgscan_cfg->chan_list[i].radio_type = chan->band;
2789
2790 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2791 bgscan_cfg->chan_list[i].scan_type =
2792 MWIFIEX_SCAN_TYPE_PASSIVE;
2793 else
2794 bgscan_cfg->chan_list[i].scan_type =
2795 MWIFIEX_SCAN_TYPE_ACTIVE;
2796
2797 bgscan_cfg->chan_list[i].scan_time = 0;
2798 }
2799
2800 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2801 MWIFIEX_BG_SCAN_CHAN_MAX);
2802
2803 /* Use at least 15 second for per scan cycle */
2804 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2805 MWIFIEX_BGSCAN_INTERVAL) ?
2806 request->scan_plans->interval :
2807 MWIFIEX_BGSCAN_INTERVAL;
2808
2809 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2810 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2811 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2812 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2813 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2814 bgscan_cfg->enable = true;
2815 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2816 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2817 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2818 }
2819
2820 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2821 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2822 kfree(bgscan_cfg);
2823 return -EFAULT;
2824 }
2825
2826 priv->sched_scanning = true;
2827
2828 kfree(bgscan_cfg);
2829 return 0;
2830 }
2831
2832 /* CFG802.11 operation handler for sched_scan_stop.
2833 *
2834 * This function issues a bgscan config command to disable
2835 * previous bgscan configuration in the firmware
2836 */
mwifiex_cfg80211_sched_scan_stop(struct wiphy * wiphy,struct net_device * dev,u64 reqid)2837 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2838 struct net_device *dev, u64 reqid)
2839 {
2840 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2841
2842 wiphy_info(wiphy, "sched scan stop!");
2843 mwifiex_stop_bg_scan(priv);
2844
2845 return 0;
2846 }
2847
mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap * vht_info,struct mwifiex_private * priv)2848 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2849 struct mwifiex_private *priv)
2850 {
2851 struct mwifiex_adapter *adapter = priv->adapter;
2852
2853 vht_info->vht_supported = true;
2854
2855 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2856 /* Update MCS support for VHT */
2857 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2858 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2859 vht_info->vht_mcs.rx_highest = 0;
2860 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2861 adapter->hw_dot_11ac_mcs_support >> 16);
2862 vht_info->vht_mcs.tx_highest = 0;
2863 }
2864
2865 /*
2866 * This function sets up the CFG802.11 specific HT capability fields
2867 * with default values.
2868 *
2869 * The following default values are set -
2870 * - HT Supported = True
2871 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2872 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2873 * - HT Capabilities supported by firmware
2874 * - MCS information, Rx mask = 0xff
2875 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2876 */
2877 static void
mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap * ht_info,struct mwifiex_private * priv)2878 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2879 struct mwifiex_private *priv)
2880 {
2881 int rx_mcs_supp;
2882 struct ieee80211_mcs_info mcs_set;
2883 u8 *mcs = (u8 *)&mcs_set;
2884 struct mwifiex_adapter *adapter = priv->adapter;
2885
2886 ht_info->ht_supported = true;
2887 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2888 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2889
2890 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2891
2892 /* Fill HT capability information */
2893 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2894 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2895 else
2896 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2897
2898 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2899 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2900 else
2901 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2902
2903 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2904 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2905 else
2906 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2907
2908 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2909 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2910 else
2911 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2912
2913 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2914 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2915 else
2916 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2917
2918 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2919 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2920 else
2921 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2922
2923 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2924 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2925 else
2926 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2927
2928 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2929 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2930 else
2931 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2932
2933 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2934 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2935
2936 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2937 /* Set MCS for 1x1/2x2 */
2938 memset(mcs, 0xff, rx_mcs_supp);
2939 /* Clear all the other values */
2940 memset(&mcs[rx_mcs_supp], 0,
2941 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2942 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2943 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2944 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2945 SETHT_MCS32(mcs_set.rx_mask);
2946
2947 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2948
2949 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2950 }
2951
2952 /*
2953 * create a new virtual interface with the given name and name assign type
2954 */
mwifiex_add_virtual_intf(struct wiphy * wiphy,const char * name,unsigned char name_assign_type,enum nl80211_iftype type,struct vif_params * params)2955 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2956 const char *name,
2957 unsigned char name_assign_type,
2958 enum nl80211_iftype type,
2959 struct vif_params *params)
2960 {
2961 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2962 struct mwifiex_private *priv;
2963 struct net_device *dev;
2964 void *mdev_priv;
2965 int ret;
2966
2967 if (!adapter)
2968 return ERR_PTR(-EFAULT);
2969
2970 switch (type) {
2971 case NL80211_IFTYPE_UNSPECIFIED:
2972 case NL80211_IFTYPE_STATION:
2973 case NL80211_IFTYPE_ADHOC:
2974 if (adapter->curr_iface_comb.sta_intf ==
2975 adapter->iface_limit.sta_intf) {
2976 mwifiex_dbg(adapter, ERROR,
2977 "cannot create multiple sta/adhoc ifaces\n");
2978 return ERR_PTR(-EINVAL);
2979 }
2980
2981 priv = mwifiex_get_unused_priv_by_bss_type(
2982 adapter, MWIFIEX_BSS_TYPE_STA);
2983 if (!priv) {
2984 mwifiex_dbg(adapter, ERROR,
2985 "could not get free private struct\n");
2986 return ERR_PTR(-EFAULT);
2987 }
2988
2989 priv->wdev.wiphy = wiphy;
2990 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2991
2992 if (type == NL80211_IFTYPE_UNSPECIFIED)
2993 priv->bss_mode = NL80211_IFTYPE_STATION;
2994 else
2995 priv->bss_mode = type;
2996
2997 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2998 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2999 priv->bss_priority = 0;
3000 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
3001
3002 break;
3003 case NL80211_IFTYPE_AP:
3004 if (adapter->curr_iface_comb.uap_intf ==
3005 adapter->iface_limit.uap_intf) {
3006 mwifiex_dbg(adapter, ERROR,
3007 "cannot create multiple AP ifaces\n");
3008 return ERR_PTR(-EINVAL);
3009 }
3010
3011 priv = mwifiex_get_unused_priv_by_bss_type(
3012 adapter, MWIFIEX_BSS_TYPE_UAP);
3013 if (!priv) {
3014 mwifiex_dbg(adapter, ERROR,
3015 "could not get free private struct\n");
3016 return ERR_PTR(-EFAULT);
3017 }
3018
3019 priv->wdev.wiphy = wiphy;
3020 priv->wdev.iftype = NL80211_IFTYPE_AP;
3021
3022 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
3023 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
3024 priv->bss_priority = 0;
3025 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
3026 priv->bss_started = 0;
3027 priv->bss_mode = type;
3028
3029 break;
3030 case NL80211_IFTYPE_P2P_CLIENT:
3031 if (adapter->curr_iface_comb.p2p_intf ==
3032 adapter->iface_limit.p2p_intf) {
3033 mwifiex_dbg(adapter, ERROR,
3034 "cannot create multiple P2P ifaces\n");
3035 return ERR_PTR(-EINVAL);
3036 }
3037
3038 priv = mwifiex_get_unused_priv_by_bss_type(
3039 adapter, MWIFIEX_BSS_TYPE_P2P);
3040 if (!priv) {
3041 mwifiex_dbg(adapter, ERROR,
3042 "could not get free private struct\n");
3043 return ERR_PTR(-EFAULT);
3044 }
3045
3046 priv->wdev.wiphy = wiphy;
3047 /* At start-up, wpa_supplicant tries to change the interface
3048 * to NL80211_IFTYPE_STATION if it is not managed mode.
3049 */
3050 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
3051 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
3052
3053 /* Setting bss_type to P2P tells firmware that this interface
3054 * is receiving P2P peers found during find phase and doing
3055 * action frame handshake.
3056 */
3057 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
3058
3059 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
3060 priv->bss_priority = 0;
3061 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
3062 priv->bss_started = 0;
3063
3064 if (mwifiex_cfg80211_init_p2p_client(priv)) {
3065 memset(&priv->wdev, 0, sizeof(priv->wdev));
3066 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3067 return ERR_PTR(-EFAULT);
3068 }
3069
3070 break;
3071 default:
3072 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3073 return ERR_PTR(-EINVAL);
3074 }
3075
3076 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
3077 name_assign_type, ether_setup,
3078 IEEE80211_NUM_ACS, 1);
3079 if (!dev) {
3080 mwifiex_dbg(adapter, ERROR,
3081 "no memory available for netdevice\n");
3082 ret = -ENOMEM;
3083 goto err_alloc_netdev;
3084 }
3085
3086 mwifiex_init_priv_params(priv, dev);
3087
3088 priv->netdev = dev;
3089
3090 if (!adapter->mfg_mode) {
3091 mwifiex_set_mac_address(priv, dev, false, NULL);
3092
3093 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
3094 HostCmd_ACT_GEN_SET, 0, NULL, true);
3095 if (ret)
3096 goto err_set_bss_mode;
3097
3098 ret = mwifiex_sta_init_cmd(priv, false, false);
3099 if (ret)
3100 goto err_sta_init;
3101 }
3102
3103 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
3104 if (adapter->is_hw_11ac_capable)
3105 mwifiex_setup_vht_caps(
3106 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
3107
3108 if (adapter->config_bands & BAND_A)
3109 mwifiex_setup_ht_caps(
3110 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
3111
3112 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
3113 mwifiex_setup_vht_caps(
3114 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
3115
3116 dev_net_set(dev, wiphy_net(wiphy));
3117 dev->ieee80211_ptr = &priv->wdev;
3118 dev->ieee80211_ptr->iftype = priv->bss_mode;
3119 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
3120
3121 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
3122 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
3123 dev->needed_headroom = MWIFIEX_MIN_DATA_HEADER_LEN;
3124 dev->ethtool_ops = &mwifiex_ethtool_ops;
3125
3126 mdev_priv = netdev_priv(dev);
3127 *((unsigned long *) mdev_priv) = (unsigned long) priv;
3128
3129 SET_NETDEV_DEV(dev, adapter->dev);
3130
3131 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
3132 WQ_HIGHPRI |
3133 WQ_MEM_RECLAIM |
3134 WQ_UNBOUND, 0, name);
3135 if (!priv->dfs_cac_workqueue) {
3136 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n");
3137 ret = -ENOMEM;
3138 goto err_alloc_cac;
3139 }
3140
3141 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
3142
3143 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
3144 WQ_HIGHPRI | WQ_UNBOUND |
3145 WQ_MEM_RECLAIM, 0, name);
3146 if (!priv->dfs_chan_sw_workqueue) {
3147 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n");
3148 ret = -ENOMEM;
3149 goto err_alloc_chsw;
3150 }
3151
3152 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3153 mwifiex_dfs_chan_sw_work_queue);
3154
3155 mutex_init(&priv->async_mutex);
3156
3157 /* Register network device */
3158 if (cfg80211_register_netdevice(dev)) {
3159 mwifiex_dbg(adapter, ERROR, "cannot register network device\n");
3160 ret = -EFAULT;
3161 goto err_reg_netdev;
3162 }
3163
3164 mwifiex_dbg(adapter, INFO,
3165 "info: %s: Marvell 802.11 Adapter\n", dev->name);
3166
3167 #ifdef CONFIG_DEBUG_FS
3168 mwifiex_dev_debugfs_init(priv);
3169 #endif
3170
3171 update_vif_type_counter(adapter, type, +1);
3172
3173 return &priv->wdev;
3174
3175 err_reg_netdev:
3176 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3177 priv->dfs_chan_sw_workqueue = NULL;
3178 err_alloc_chsw:
3179 destroy_workqueue(priv->dfs_cac_workqueue);
3180 priv->dfs_cac_workqueue = NULL;
3181 err_alloc_cac:
3182 free_netdev(dev);
3183 priv->netdev = NULL;
3184 err_sta_init:
3185 err_set_bss_mode:
3186 err_alloc_netdev:
3187 memset(&priv->wdev, 0, sizeof(priv->wdev));
3188 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3189 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3190 return ERR_PTR(ret);
3191 }
3192 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3193
3194 /*
3195 * del_virtual_intf: remove the virtual interface determined by dev
3196 */
mwifiex_del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)3197 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3198 {
3199 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3200 struct mwifiex_adapter *adapter = priv->adapter;
3201 struct sk_buff *skb, *tmp;
3202
3203 #ifdef CONFIG_DEBUG_FS
3204 mwifiex_dev_debugfs_remove(priv);
3205 #endif
3206
3207 if (priv->sched_scanning)
3208 priv->sched_scanning = false;
3209
3210 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3211
3212 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
3213 skb_unlink(skb, &priv->bypass_txq);
3214 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3215 }
3216
3217 if (netif_carrier_ok(priv->netdev))
3218 netif_carrier_off(priv->netdev);
3219
3220 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3221 cfg80211_unregister_netdevice(wdev->netdev);
3222
3223 if (priv->dfs_cac_workqueue) {
3224 destroy_workqueue(priv->dfs_cac_workqueue);
3225 priv->dfs_cac_workqueue = NULL;
3226 }
3227
3228 if (priv->dfs_chan_sw_workqueue) {
3229 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3230 priv->dfs_chan_sw_workqueue = NULL;
3231 }
3232 /* Clear the priv in adapter */
3233 priv->netdev = NULL;
3234
3235 update_vif_type_counter(adapter, priv->bss_mode, -1);
3236
3237 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3238
3239 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3240 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3241 kfree(priv->hist_data);
3242
3243 return 0;
3244 }
3245 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3246
3247 static bool
mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern * pat,s8 * byte_seq,u8 max_byte_seq)3248 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3249 u8 max_byte_seq)
3250 {
3251 int j, k, valid_byte_cnt = 0;
3252 bool dont_care_byte = false;
3253
3254 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3255 for (k = 0; k < 8; k++) {
3256 if (pat->mask[j] & 1 << k) {
3257 memcpy(byte_seq + valid_byte_cnt,
3258 &pat->pattern[j * 8 + k], 1);
3259 valid_byte_cnt++;
3260 if (dont_care_byte)
3261 return false;
3262 } else {
3263 if (valid_byte_cnt)
3264 dont_care_byte = true;
3265 }
3266
3267 /* wildcard bytes record as the offset
3268 * before the valid byte
3269 */
3270 if (!valid_byte_cnt && !dont_care_byte)
3271 pat->pkt_offset++;
3272
3273 if (valid_byte_cnt > max_byte_seq)
3274 return false;
3275 }
3276 }
3277
3278 byte_seq[max_byte_seq] = valid_byte_cnt;
3279
3280 return true;
3281 }
3282
3283 #ifdef CONFIG_PM
mwifiex_set_auto_arp_mef_entry(struct mwifiex_private * priv,struct mwifiex_mef_entry * mef_entry)3284 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3285 struct mwifiex_mef_entry *mef_entry)
3286 {
3287 int i, filt_num = 0, num_ipv4 = 0;
3288 struct in_device *in_dev;
3289 struct in_ifaddr *ifa;
3290 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3291 struct mwifiex_adapter *adapter = priv->adapter;
3292
3293 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3294 mef_entry->action = MEF_ACTION_AUTO_ARP;
3295
3296 /* Enable ARP offload feature */
3297 memset(ips, 0, sizeof(ips));
3298 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3299 if (adapter->priv[i]->netdev) {
3300 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3301 if (!in_dev)
3302 continue;
3303 ifa = rtnl_dereference(in_dev->ifa_list);
3304 if (!ifa || !ifa->ifa_local)
3305 continue;
3306 ips[i] = ifa->ifa_local;
3307 num_ipv4++;
3308 }
3309 }
3310
3311 for (i = 0; i < num_ipv4; i++) {
3312 if (!ips[i])
3313 continue;
3314 mef_entry->filter[filt_num].repeat = 1;
3315 memcpy(mef_entry->filter[filt_num].byte_seq,
3316 (u8 *)&ips[i], sizeof(ips[i]));
3317 mef_entry->filter[filt_num].
3318 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3319 sizeof(ips[i]);
3320 mef_entry->filter[filt_num].offset = 46;
3321 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3322 if (filt_num) {
3323 mef_entry->filter[filt_num].filt_action =
3324 TYPE_OR;
3325 }
3326 filt_num++;
3327 }
3328
3329 mef_entry->filter[filt_num].repeat = 1;
3330 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3331 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3332 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3333 mef_entry->filter[filt_num].offset = 20;
3334 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3335 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3336 }
3337
mwifiex_set_wowlan_mef_entry(struct mwifiex_private * priv,struct mwifiex_ds_mef_cfg * mef_cfg,struct mwifiex_mef_entry * mef_entry,struct cfg80211_wowlan * wowlan)3338 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3339 struct mwifiex_ds_mef_cfg *mef_cfg,
3340 struct mwifiex_mef_entry *mef_entry,
3341 struct cfg80211_wowlan *wowlan)
3342 {
3343 int i, filt_num = 0, ret = 0;
3344 bool first_pat = true;
3345 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
3346 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3347 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3348
3349 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3350 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3351
3352 for (i = 0; i < wowlan->n_patterns; i++) {
3353 memset(byte_seq, 0, sizeof(byte_seq));
3354 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3355 byte_seq,
3356 MWIFIEX_MEF_MAX_BYTESEQ)) {
3357 mwifiex_dbg(priv->adapter, ERROR,
3358 "Pattern not supported\n");
3359 return -EOPNOTSUPP;
3360 }
3361
3362 if (!wowlan->patterns[i].pkt_offset) {
3363 if (!(byte_seq[0] & 0x01) &&
3364 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3365 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3366 continue;
3367 } else if (is_broadcast_ether_addr(byte_seq)) {
3368 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
3369 continue;
3370 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3371 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
3372 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3373 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3374 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
3375 continue;
3376 }
3377 }
3378 mef_entry->filter[filt_num].repeat = 1;
3379 mef_entry->filter[filt_num].offset =
3380 wowlan->patterns[i].pkt_offset;
3381 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3382 sizeof(byte_seq));
3383 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3384
3385 if (first_pat) {
3386 first_pat = false;
3387 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3388 } else {
3389 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3390 }
3391
3392 filt_num++;
3393 }
3394
3395 if (wowlan->magic_pkt) {
3396 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3397 mef_entry->filter[filt_num].repeat = 16;
3398 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3399 ETH_ALEN);
3400 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3401 ETH_ALEN;
3402 mef_entry->filter[filt_num].offset = 28;
3403 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3404 if (filt_num)
3405 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3406
3407 filt_num++;
3408 mef_entry->filter[filt_num].repeat = 16;
3409 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3410 ETH_ALEN);
3411 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3412 ETH_ALEN;
3413 mef_entry->filter[filt_num].offset = 56;
3414 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3415 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3416 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
3417 }
3418 return ret;
3419 }
3420
mwifiex_set_mef_filter(struct mwifiex_private * priv,struct cfg80211_wowlan * wowlan)3421 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3422 struct cfg80211_wowlan *wowlan)
3423 {
3424 int ret = 0, num_entries = 1;
3425 struct mwifiex_ds_mef_cfg mef_cfg;
3426 struct mwifiex_mef_entry *mef_entry;
3427
3428 if (wowlan->n_patterns || wowlan->magic_pkt)
3429 num_entries++;
3430
3431 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3432 if (!mef_entry)
3433 return -ENOMEM;
3434
3435 memset(&mef_cfg, 0, sizeof(mef_cfg));
3436 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3437 MWIFIEX_CRITERIA_UNICAST;
3438 mef_cfg.num_entries = num_entries;
3439 mef_cfg.mef_entry = mef_entry;
3440
3441 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3442
3443 if (wowlan->n_patterns || wowlan->magic_pkt) {
3444 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3445 &mef_entry[1], wowlan);
3446 if (ret)
3447 goto err;
3448 }
3449
3450 if (!mef_cfg.criteria)
3451 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3452 MWIFIEX_CRITERIA_UNICAST |
3453 MWIFIEX_CRITERIA_MULTICAST;
3454
3455 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3456 HostCmd_ACT_GEN_SET, 0,
3457 &mef_cfg, true);
3458
3459 err:
3460 kfree(mef_entry);
3461 return ret;
3462 }
3463
mwifiex_cfg80211_suspend(struct wiphy * wiphy,struct cfg80211_wowlan * wowlan)3464 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3465 struct cfg80211_wowlan *wowlan)
3466 {
3467 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3468 struct mwifiex_ds_hs_cfg hs_cfg;
3469 int i, ret = 0, retry_num = 10;
3470 struct mwifiex_private *priv;
3471 struct mwifiex_private *sta_priv =
3472 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3473
3474 sta_priv->scan_aborting = true;
3475 for (i = 0; i < adapter->priv_num; i++) {
3476 priv = adapter->priv[i];
3477 mwifiex_abort_cac(priv);
3478 }
3479
3480 mwifiex_cancel_all_pending_cmd(adapter);
3481
3482 for (i = 0; i < adapter->priv_num; i++) {
3483 priv = adapter->priv[i];
3484 if (priv && priv->netdev)
3485 netif_device_detach(priv->netdev);
3486 }
3487
3488 for (i = 0; i < retry_num; i++) {
3489 if (!mwifiex_wmm_lists_empty(adapter) ||
3490 !mwifiex_bypass_txlist_empty(adapter) ||
3491 !skb_queue_empty(&adapter->tx_data_q))
3492 usleep_range(10000, 15000);
3493 else
3494 break;
3495 }
3496
3497 if (!wowlan) {
3498 mwifiex_dbg(adapter, INFO,
3499 "None of the WOWLAN triggers enabled\n");
3500 ret = 0;
3501 goto done;
3502 }
3503
3504 if (!sta_priv->media_connected && !wowlan->nd_config) {
3505 mwifiex_dbg(adapter, ERROR,
3506 "Can not configure WOWLAN in disconnected state\n");
3507 ret = 0;
3508 goto done;
3509 }
3510
3511 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3512 if (ret) {
3513 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3514 goto done;
3515 }
3516
3517 memset(&hs_cfg, 0, sizeof(hs_cfg));
3518 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3519
3520 if (wowlan->nd_config) {
3521 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3522 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3523 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3524 wowlan->nd_config);
3525 }
3526
3527 if (wowlan->disconnect) {
3528 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3529 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3530 }
3531
3532 hs_cfg.is_invoke_hostcmd = false;
3533 hs_cfg.gpio = adapter->hs_cfg.gpio;
3534 hs_cfg.gap = adapter->hs_cfg.gap;
3535 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3536 MWIFIEX_SYNC_CMD, &hs_cfg);
3537 if (ret)
3538 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3539
3540 done:
3541 sta_priv->scan_aborting = false;
3542 return ret;
3543 }
3544
mwifiex_cfg80211_resume(struct wiphy * wiphy)3545 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3546 {
3547 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3548 struct mwifiex_private *priv;
3549 struct mwifiex_ds_wakeup_reason wakeup_reason;
3550 struct cfg80211_wowlan_wakeup wakeup_report;
3551 int i;
3552 bool report_wakeup_reason = true;
3553
3554 for (i = 0; i < adapter->priv_num; i++) {
3555 priv = adapter->priv[i];
3556 if (priv && priv->netdev)
3557 netif_device_attach(priv->netdev);
3558 }
3559
3560 if (!wiphy->wowlan_config)
3561 goto done;
3562
3563 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3564 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3565 &wakeup_reason);
3566 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3567
3568 wakeup_report.pattern_idx = -1;
3569
3570 switch (wakeup_reason.hs_wakeup_reason) {
3571 case NO_HSWAKEUP_REASON:
3572 break;
3573 case BCAST_DATA_MATCHED:
3574 break;
3575 case MCAST_DATA_MATCHED:
3576 break;
3577 case UCAST_DATA_MATCHED:
3578 break;
3579 case MASKTABLE_EVENT_MATCHED:
3580 break;
3581 case NON_MASKABLE_EVENT_MATCHED:
3582 if (wiphy->wowlan_config->disconnect)
3583 wakeup_report.disconnect = true;
3584 if (wiphy->wowlan_config->nd_config)
3585 wakeup_report.net_detect = adapter->nd_info;
3586 break;
3587 case NON_MASKABLE_CONDITION_MATCHED:
3588 break;
3589 case MAGIC_PATTERN_MATCHED:
3590 if (wiphy->wowlan_config->magic_pkt)
3591 wakeup_report.magic_pkt = true;
3592 if (wiphy->wowlan_config->n_patterns)
3593 wakeup_report.pattern_idx = 1;
3594 break;
3595 case GTK_REKEY_FAILURE:
3596 if (wiphy->wowlan_config->gtk_rekey_failure)
3597 wakeup_report.gtk_rekey_failure = true;
3598 break;
3599 default:
3600 report_wakeup_reason = false;
3601 break;
3602 }
3603
3604 if (report_wakeup_reason)
3605 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3606 GFP_KERNEL);
3607
3608 done:
3609 if (adapter->nd_info) {
3610 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3611 kfree(adapter->nd_info->matches[i]);
3612 kfree(adapter->nd_info);
3613 adapter->nd_info = NULL;
3614 }
3615
3616 return 0;
3617 }
3618
mwifiex_cfg80211_set_wakeup(struct wiphy * wiphy,bool enabled)3619 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3620 bool enabled)
3621 {
3622 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3623
3624 device_set_wakeup_enable(adapter->dev, enabled);
3625 }
3626
mwifiex_set_rekey_data(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_gtk_rekey_data * data)3627 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3628 struct cfg80211_gtk_rekey_data *data)
3629 {
3630 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3631
3632 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
3633 return -EOPNOTSUPP;
3634
3635 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3636 HostCmd_ACT_GEN_SET, 0, data, true);
3637 }
3638
3639 #endif
3640
mwifiex_get_coalesce_pkt_type(u8 * byte_seq)3641 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3642 {
3643 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3644 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3645 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3646
3647 if ((byte_seq[0] & 0x01) &&
3648 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3649 return PACKET_TYPE_UNICAST;
3650 else if (!memcmp(byte_seq, bc_mac, 4))
3651 return PACKET_TYPE_BROADCAST;
3652 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3653 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3654 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3655 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3656 return PACKET_TYPE_MULTICAST;
3657
3658 return 0;
3659 }
3660
3661 static int
mwifiex_fill_coalesce_rule_info(struct mwifiex_private * priv,struct cfg80211_coalesce_rules * crule,struct mwifiex_coalesce_rule * mrule)3662 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3663 struct cfg80211_coalesce_rules *crule,
3664 struct mwifiex_coalesce_rule *mrule)
3665 {
3666 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3667 struct filt_field_param *param;
3668 int i;
3669
3670 mrule->max_coalescing_delay = crule->delay;
3671
3672 param = mrule->params;
3673
3674 for (i = 0; i < crule->n_patterns; i++) {
3675 memset(byte_seq, 0, sizeof(byte_seq));
3676 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3677 byte_seq,
3678 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3679 mwifiex_dbg(priv->adapter, ERROR,
3680 "Pattern not supported\n");
3681 return -EOPNOTSUPP;
3682 }
3683
3684 if (!crule->patterns[i].pkt_offset) {
3685 u8 pkt_type;
3686
3687 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3688 if (pkt_type && mrule->pkt_type) {
3689 mwifiex_dbg(priv->adapter, ERROR,
3690 "Multiple packet types not allowed\n");
3691 return -EOPNOTSUPP;
3692 } else if (pkt_type) {
3693 mrule->pkt_type = pkt_type;
3694 continue;
3695 }
3696 }
3697
3698 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3699 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3700 else
3701 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3702
3703 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3704 memcpy(param->operand_byte_stream, byte_seq,
3705 param->operand_len);
3706 param->offset = crule->patterns[i].pkt_offset;
3707 param++;
3708
3709 mrule->num_of_fields++;
3710 }
3711
3712 if (!mrule->pkt_type) {
3713 mwifiex_dbg(priv->adapter, ERROR,
3714 "Packet type can not be determined\n");
3715 return -EOPNOTSUPP;
3716 }
3717
3718 return 0;
3719 }
3720
mwifiex_cfg80211_set_coalesce(struct wiphy * wiphy,struct cfg80211_coalesce * coalesce)3721 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3722 struct cfg80211_coalesce *coalesce)
3723 {
3724 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3725 int i, ret;
3726 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3727 struct mwifiex_private *priv =
3728 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3729
3730 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3731 if (!coalesce) {
3732 mwifiex_dbg(adapter, WARN,
3733 "Disable coalesce and reset all previous rules\n");
3734 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3735 HostCmd_ACT_GEN_SET, 0,
3736 &coalesce_cfg, true);
3737 }
3738
3739 coalesce_cfg.num_of_rules = coalesce->n_rules;
3740 for (i = 0; i < coalesce->n_rules; i++) {
3741 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3742 &coalesce_cfg.rule[i]);
3743 if (ret) {
3744 mwifiex_dbg(adapter, ERROR,
3745 "Recheck the patterns provided for rule %d\n",
3746 i + 1);
3747 return ret;
3748 }
3749 }
3750
3751 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3752 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3753 }
3754
3755 /* cfg80211 ops handler for tdls_mgmt.
3756 * Function prepares TDLS action frame packets and forwards them to FW
3757 */
3758 static int
mwifiex_cfg80211_tdls_mgmt(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,int link_id,u8 action_code,u8 dialog_token,u16 status_code,u32 peer_capability,bool initiator,const u8 * extra_ies,size_t extra_ies_len)3759 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3760 const u8 *peer, int link_id, u8 action_code,
3761 u8 dialog_token, u16 status_code,
3762 u32 peer_capability, bool initiator,
3763 const u8 *extra_ies, size_t extra_ies_len)
3764 {
3765 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3766 int ret;
3767
3768 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3769 return -EOPNOTSUPP;
3770
3771 /* make sure we are in station mode and connected */
3772 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3773 return -EOPNOTSUPP;
3774
3775 switch (action_code) {
3776 case WLAN_TDLS_SETUP_REQUEST:
3777 mwifiex_dbg(priv->adapter, MSG,
3778 "Send TDLS Setup Request to %pM status_code=%d\n",
3779 peer, status_code);
3780 mwifiex_add_auto_tdls_peer(priv, peer);
3781 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3782 dialog_token, status_code,
3783 extra_ies, extra_ies_len);
3784 break;
3785 case WLAN_TDLS_SETUP_RESPONSE:
3786 mwifiex_add_auto_tdls_peer(priv, peer);
3787 mwifiex_dbg(priv->adapter, MSG,
3788 "Send TDLS Setup Response to %pM status_code=%d\n",
3789 peer, status_code);
3790 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3791 dialog_token, status_code,
3792 extra_ies, extra_ies_len);
3793 break;
3794 case WLAN_TDLS_SETUP_CONFIRM:
3795 mwifiex_dbg(priv->adapter, MSG,
3796 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3797 status_code);
3798 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3799 dialog_token, status_code,
3800 extra_ies, extra_ies_len);
3801 break;
3802 case WLAN_TDLS_TEARDOWN:
3803 mwifiex_dbg(priv->adapter, MSG,
3804 "Send TDLS Tear down to %pM\n", peer);
3805 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3806 dialog_token, status_code,
3807 extra_ies, extra_ies_len);
3808 break;
3809 case WLAN_TDLS_DISCOVERY_REQUEST:
3810 mwifiex_dbg(priv->adapter, MSG,
3811 "Send TDLS Discovery Request to %pM\n", peer);
3812 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3813 dialog_token, status_code,
3814 extra_ies, extra_ies_len);
3815 break;
3816 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3817 mwifiex_dbg(priv->adapter, MSG,
3818 "Send TDLS Discovery Response to %pM\n", peer);
3819 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3820 dialog_token, status_code,
3821 extra_ies, extra_ies_len);
3822 break;
3823 default:
3824 mwifiex_dbg(priv->adapter, ERROR,
3825 "Unknown TDLS mgmt/action frame %pM\n", peer);
3826 ret = -EINVAL;
3827 break;
3828 }
3829
3830 return ret;
3831 }
3832
3833 static int
mwifiex_cfg80211_tdls_oper(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,enum nl80211_tdls_operation action)3834 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3835 const u8 *peer, enum nl80211_tdls_operation action)
3836 {
3837 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3838
3839 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3840 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3841 return -EOPNOTSUPP;
3842
3843 /* make sure we are in station mode and connected */
3844 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3845 return -EOPNOTSUPP;
3846
3847 mwifiex_dbg(priv->adapter, MSG,
3848 "TDLS peer=%pM, oper=%d\n", peer, action);
3849
3850 switch (action) {
3851 case NL80211_TDLS_ENABLE_LINK:
3852 action = MWIFIEX_TDLS_ENABLE_LINK;
3853 break;
3854 case NL80211_TDLS_DISABLE_LINK:
3855 action = MWIFIEX_TDLS_DISABLE_LINK;
3856 break;
3857 case NL80211_TDLS_TEARDOWN:
3858 /* shouldn't happen!*/
3859 mwifiex_dbg(priv->adapter, ERROR,
3860 "tdls_oper: teardown from driver not supported\n");
3861 return -EINVAL;
3862 case NL80211_TDLS_SETUP:
3863 /* shouldn't happen!*/
3864 mwifiex_dbg(priv->adapter, ERROR,
3865 "tdls_oper: setup from driver not supported\n");
3866 return -EINVAL;
3867 case NL80211_TDLS_DISCOVERY_REQ:
3868 /* shouldn't happen!*/
3869 mwifiex_dbg(priv->adapter, ERROR,
3870 "tdls_oper: discovery from driver not supported\n");
3871 return -EINVAL;
3872 default:
3873 mwifiex_dbg(priv->adapter, ERROR,
3874 "tdls_oper: operation not supported\n");
3875 return -EOPNOTSUPP;
3876 }
3877
3878 return mwifiex_tdls_oper(priv, peer, action);
3879 }
3880
3881 static int
mwifiex_cfg80211_tdls_chan_switch(struct wiphy * wiphy,struct net_device * dev,const u8 * addr,u8 oper_class,struct cfg80211_chan_def * chandef)3882 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3883 const u8 *addr, u8 oper_class,
3884 struct cfg80211_chan_def *chandef)
3885 {
3886 struct mwifiex_sta_node *sta_ptr;
3887 u16 chan;
3888 u8 second_chan_offset, band;
3889 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3890
3891 spin_lock_bh(&priv->sta_list_spinlock);
3892 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3893 if (!sta_ptr) {
3894 spin_unlock_bh(&priv->sta_list_spinlock);
3895 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3896 __func__, addr);
3897 return -ENOENT;
3898 }
3899
3900 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3901 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3902 spin_unlock_bh(&priv->sta_list_spinlock);
3903 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3904 return -ENOENT;
3905 }
3906
3907 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3908 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3909 spin_unlock_bh(&priv->sta_list_spinlock);
3910 wiphy_err(wiphy, "channel switch is running, abort request\n");
3911 return -EALREADY;
3912 }
3913 spin_unlock_bh(&priv->sta_list_spinlock);
3914
3915 chan = chandef->chan->hw_value;
3916 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3917 band = chandef->chan->band;
3918 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3919
3920 return 0;
3921 }
3922
3923 static void
mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy * wiphy,struct net_device * dev,const u8 * addr)3924 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3925 struct net_device *dev,
3926 const u8 *addr)
3927 {
3928 struct mwifiex_sta_node *sta_ptr;
3929 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3930
3931 spin_lock_bh(&priv->sta_list_spinlock);
3932 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3933 if (!sta_ptr) {
3934 spin_unlock_bh(&priv->sta_list_spinlock);
3935 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3936 __func__, addr);
3937 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3938 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3939 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3940 spin_unlock_bh(&priv->sta_list_spinlock);
3941 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3942 addr);
3943 } else {
3944 spin_unlock_bh(&priv->sta_list_spinlock);
3945 mwifiex_stop_tdls_cs(priv, addr);
3946 }
3947 }
3948
3949 static int
mwifiex_cfg80211_add_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)3950 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3951 const u8 *mac, struct station_parameters *params)
3952 {
3953 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3954
3955 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3956 return -EOPNOTSUPP;
3957
3958 /* make sure we are in station mode and connected */
3959 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3960 return -EOPNOTSUPP;
3961
3962 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3963 }
3964
3965 static int
mwifiex_cfg80211_channel_switch(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_csa_settings * params)3966 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3967 struct cfg80211_csa_settings *params)
3968 {
3969 struct ieee_types_header *chsw_ie;
3970 struct ieee80211_channel_sw_ie *channel_sw;
3971 int chsw_msec;
3972 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3973
3974 if (priv->adapter->scan_processing) {
3975 mwifiex_dbg(priv->adapter, ERROR,
3976 "radar detection: scan in process...\n");
3977 return -EBUSY;
3978 }
3979
3980 if (priv->wdev.cac_started)
3981 return -EBUSY;
3982
3983 if (cfg80211_chandef_identical(¶ms->chandef,
3984 &priv->dfs_chandef))
3985 return -EINVAL;
3986
3987 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3988 params->beacon_csa.tail,
3989 params->beacon_csa.tail_len);
3990 if (!chsw_ie) {
3991 mwifiex_dbg(priv->adapter, ERROR,
3992 "Could not parse channel switch announcement IE\n");
3993 return -EINVAL;
3994 }
3995
3996 channel_sw = (void *)(chsw_ie + 1);
3997 if (channel_sw->mode) {
3998 if (netif_carrier_ok(priv->netdev))
3999 netif_carrier_off(priv->netdev);
4000 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
4001 }
4002
4003 if (mwifiex_del_mgmt_ies(priv))
4004 mwifiex_dbg(priv->adapter, ERROR,
4005 "Failed to delete mgmt IEs!\n");
4006
4007 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) {
4008 mwifiex_dbg(priv->adapter, ERROR,
4009 "%s: setting mgmt ies failed\n", __func__);
4010 return -EFAULT;
4011 }
4012
4013 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef));
4014 memcpy(&priv->beacon_after, ¶ms->beacon_after,
4015 sizeof(priv->beacon_after));
4016
4017 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
4018 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
4019 msecs_to_jiffies(chsw_msec));
4020 return 0;
4021 }
4022
mwifiex_cfg80211_get_channel(struct wiphy * wiphy,struct wireless_dev * wdev,unsigned int link_id,struct cfg80211_chan_def * chandef)4023 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
4024 struct wireless_dev *wdev,
4025 unsigned int link_id,
4026 struct cfg80211_chan_def *chandef)
4027 {
4028 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4029 struct mwifiex_bssdescriptor *curr_bss;
4030 struct ieee80211_channel *chan;
4031 enum nl80211_channel_type chan_type;
4032 enum nl80211_band band;
4033 int freq;
4034 int ret = -ENODATA;
4035
4036 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
4037 cfg80211_chandef_valid(&priv->bss_chandef)) {
4038 *chandef = priv->bss_chandef;
4039 ret = 0;
4040 } else if (priv->media_connected) {
4041 curr_bss = &priv->curr_bss_params.bss_descriptor;
4042 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
4043 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
4044 chan = ieee80211_get_channel(wiphy, freq);
4045
4046 if (priv->ht_param_present) {
4047 chan_type = mwifiex_get_chan_type(priv);
4048 cfg80211_chandef_create(chandef, chan, chan_type);
4049 } else {
4050 cfg80211_chandef_create(chandef, chan,
4051 NL80211_CHAN_NO_HT);
4052 }
4053 ret = 0;
4054 }
4055
4056 return ret;
4057 }
4058
4059 #ifdef CONFIG_NL80211_TESTMODE
4060
4061 enum mwifiex_tm_attr {
4062 __MWIFIEX_TM_ATTR_INVALID = 0,
4063 MWIFIEX_TM_ATTR_CMD = 1,
4064 MWIFIEX_TM_ATTR_DATA = 2,
4065
4066 /* keep last */
4067 __MWIFIEX_TM_ATTR_AFTER_LAST,
4068 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
4069 };
4070
4071 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
4072 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
4073 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
4074 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
4075 };
4076
4077 enum mwifiex_tm_command {
4078 MWIFIEX_TM_CMD_HOSTCMD = 0,
4079 };
4080
mwifiex_tm_cmd(struct wiphy * wiphy,struct wireless_dev * wdev,void * data,int len)4081 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
4082 void *data, int len)
4083 {
4084 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4085 struct mwifiex_ds_misc_cmd *hostcmd;
4086 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
4087 struct sk_buff *skb;
4088 int err;
4089
4090 if (!priv)
4091 return -EINVAL;
4092
4093 err = nla_parse_deprecated(tb, MWIFIEX_TM_ATTR_MAX, data, len,
4094 mwifiex_tm_policy, NULL);
4095 if (err)
4096 return err;
4097
4098 if (!tb[MWIFIEX_TM_ATTR_CMD])
4099 return -EINVAL;
4100
4101 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
4102 case MWIFIEX_TM_CMD_HOSTCMD:
4103 if (!tb[MWIFIEX_TM_ATTR_DATA])
4104 return -EINVAL;
4105
4106 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
4107 if (!hostcmd)
4108 return -ENOMEM;
4109
4110 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
4111 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
4112 hostcmd->len);
4113
4114 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
4115 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
4116 kfree(hostcmd);
4117 return -EFAULT;
4118 }
4119
4120 /* process hostcmd response*/
4121 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
4122 if (!skb) {
4123 kfree(hostcmd);
4124 return -ENOMEM;
4125 }
4126 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
4127 hostcmd->len, hostcmd->cmd);
4128 if (err) {
4129 kfree(hostcmd);
4130 kfree_skb(skb);
4131 return -EMSGSIZE;
4132 }
4133
4134 err = cfg80211_testmode_reply(skb);
4135 kfree(hostcmd);
4136 return err;
4137 default:
4138 return -EOPNOTSUPP;
4139 }
4140 }
4141 #endif
4142
4143 static int
mwifiex_cfg80211_start_radar_detection(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_chan_def * chandef,u32 cac_time_ms)4144 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4145 struct net_device *dev,
4146 struct cfg80211_chan_def *chandef,
4147 u32 cac_time_ms)
4148 {
4149 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4150 struct mwifiex_radar_params radar_params;
4151
4152 if (priv->adapter->scan_processing) {
4153 mwifiex_dbg(priv->adapter, ERROR,
4154 "radar detection: scan already in process...\n");
4155 return -EBUSY;
4156 }
4157
4158 if (!mwifiex_is_11h_active(priv)) {
4159 mwifiex_dbg(priv->adapter, INFO,
4160 "Enable 11h extensions in FW\n");
4161 if (mwifiex_11h_activate(priv, true)) {
4162 mwifiex_dbg(priv->adapter, ERROR,
4163 "Failed to activate 11h extensions!!");
4164 return -1;
4165 }
4166 priv->state_11h.is_11h_active = true;
4167 }
4168
4169 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4170 radar_params.chandef = chandef;
4171 radar_params.cac_time_ms = cac_time_ms;
4172
4173 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4174
4175 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4176 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4177 return -1;
4178
4179 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4180 msecs_to_jiffies(cac_time_ms));
4181 return 0;
4182 }
4183
4184 static int
mwifiex_cfg80211_change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)4185 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4186 const u8 *mac,
4187 struct station_parameters *params)
4188 {
4189 int ret;
4190 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4191
4192 /* we support change_station handler only for TDLS peers*/
4193 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4194 return -EOPNOTSUPP;
4195
4196 /* make sure we are in station mode and connected */
4197 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4198 return -EOPNOTSUPP;
4199
4200 priv->sta_params = params;
4201
4202 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4203 priv->sta_params = NULL;
4204
4205 return ret;
4206 }
4207
4208 /* station cfg80211 operations */
4209 static struct cfg80211_ops mwifiex_cfg80211_ops = {
4210 .add_virtual_intf = mwifiex_add_virtual_intf,
4211 .del_virtual_intf = mwifiex_del_virtual_intf,
4212 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4213 .scan = mwifiex_cfg80211_scan,
4214 .connect = mwifiex_cfg80211_connect,
4215 .disconnect = mwifiex_cfg80211_disconnect,
4216 .get_station = mwifiex_cfg80211_get_station,
4217 .dump_station = mwifiex_cfg80211_dump_station,
4218 .dump_survey = mwifiex_cfg80211_dump_survey,
4219 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
4220 .join_ibss = mwifiex_cfg80211_join_ibss,
4221 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4222 .add_key = mwifiex_cfg80211_add_key,
4223 .del_key = mwifiex_cfg80211_del_key,
4224 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
4225 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4226 .update_mgmt_frame_registrations =
4227 mwifiex_cfg80211_update_mgmt_frame_registrations,
4228 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4229 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4230 .set_default_key = mwifiex_cfg80211_set_default_key,
4231 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4232 .set_tx_power = mwifiex_cfg80211_set_tx_power,
4233 .get_tx_power = mwifiex_cfg80211_get_tx_power,
4234 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4235 .start_ap = mwifiex_cfg80211_start_ap,
4236 .stop_ap = mwifiex_cfg80211_stop_ap,
4237 .change_beacon = mwifiex_cfg80211_change_beacon,
4238 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4239 .set_antenna = mwifiex_cfg80211_set_antenna,
4240 .get_antenna = mwifiex_cfg80211_get_antenna,
4241 .del_station = mwifiex_cfg80211_del_station,
4242 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4243 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
4244 #ifdef CONFIG_PM
4245 .suspend = mwifiex_cfg80211_suspend,
4246 .resume = mwifiex_cfg80211_resume,
4247 .set_wakeup = mwifiex_cfg80211_set_wakeup,
4248 .set_rekey_data = mwifiex_set_rekey_data,
4249 #endif
4250 .set_coalesce = mwifiex_cfg80211_set_coalesce,
4251 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4252 .tdls_oper = mwifiex_cfg80211_tdls_oper,
4253 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4254 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4255 .add_station = mwifiex_cfg80211_add_station,
4256 .change_station = mwifiex_cfg80211_change_station,
4257 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4258 .get_channel = mwifiex_cfg80211_get_channel,
4259 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4260 .channel_switch = mwifiex_cfg80211_channel_switch,
4261 };
4262
4263 #ifdef CONFIG_PM
4264 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4265 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4266 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4267 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
4268 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4269 .pattern_min_len = 1,
4270 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4271 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4272 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4273 };
4274
4275 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = {
4276 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4277 WIPHY_WOWLAN_NET_DETECT,
4278 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4279 .pattern_min_len = 1,
4280 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4281 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4282 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4283 };
4284 #endif
4285
mwifiex_is_valid_alpha2(const char * alpha2)4286 static bool mwifiex_is_valid_alpha2(const char *alpha2)
4287 {
4288 if (!alpha2 || strlen(alpha2) != 2)
4289 return false;
4290
4291 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4292 return true;
4293
4294 return false;
4295 }
4296
4297 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4298 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4299 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4300 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4301 .pattern_min_len = 1,
4302 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4303 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4304 };
4305
mwifiex_init_channel_scan_gap(struct mwifiex_adapter * adapter)4306 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4307 {
4308 u32 n_channels_bg, n_channels_a = 0;
4309
4310 n_channels_bg = mwifiex_band_2ghz.n_channels;
4311
4312 if (adapter->config_bands & BAND_A)
4313 n_channels_a = mwifiex_band_5ghz.n_channels;
4314
4315 /* allocate twice the number total channels, since the driver issues an
4316 * additional active scan request for hidden SSIDs on passive channels.
4317 */
4318 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a);
4319 adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats),
4320 adapter->num_in_chan_stats));
4321
4322 if (!adapter->chan_stats)
4323 return -ENOMEM;
4324
4325 return 0;
4326 }
4327
4328 /*
4329 * This function registers the device with CFG802.11 subsystem.
4330 *
4331 * The function creates the wireless device/wiphy, populates it with
4332 * default parameters and handler function pointers, and finally
4333 * registers the device.
4334 */
4335
mwifiex_register_cfg80211(struct mwifiex_adapter * adapter)4336 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4337 {
4338 int ret;
4339 void *wdev_priv;
4340 struct wiphy *wiphy;
4341 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4342 u8 *country_code;
4343 u32 thr, retry;
4344
4345 /* create a new wiphy for use with cfg80211 */
4346 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
4347 sizeof(struct mwifiex_adapter *));
4348 if (!wiphy) {
4349 mwifiex_dbg(adapter, ERROR,
4350 "%s: creating new wiphy\n", __func__);
4351 return -ENOMEM;
4352 }
4353 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4354 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4355 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4356 wiphy->max_remain_on_channel_duration = 5000;
4357 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4358 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4359 BIT(NL80211_IFTYPE_P2P_GO) |
4360 BIT(NL80211_IFTYPE_AP);
4361
4362 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4363 wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
4364
4365 wiphy->bands[NL80211_BAND_2GHZ] = devm_kmemdup(adapter->dev,
4366 &mwifiex_band_2ghz,
4367 sizeof(mwifiex_band_2ghz),
4368 GFP_KERNEL);
4369 if (!wiphy->bands[NL80211_BAND_2GHZ]) {
4370 ret = -ENOMEM;
4371 goto err;
4372 }
4373
4374 if (adapter->config_bands & BAND_A) {
4375 wiphy->bands[NL80211_BAND_5GHZ] = devm_kmemdup(adapter->dev,
4376 &mwifiex_band_5ghz,
4377 sizeof(mwifiex_band_5ghz),
4378 GFP_KERNEL);
4379 if (!wiphy->bands[NL80211_BAND_5GHZ]) {
4380 ret = -ENOMEM;
4381 goto err;
4382 }
4383 } else {
4384 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4385 }
4386
4387 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4388 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4389 else if (adapter->is_hw_11ac_capable)
4390 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4391 else
4392 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4393 wiphy->n_iface_combinations = 1;
4394
4395 if (adapter->max_sta_conn > adapter->max_p2p_conn)
4396 wiphy->max_ap_assoc_sta = adapter->max_sta_conn;
4397 else
4398 wiphy->max_ap_assoc_sta = adapter->max_p2p_conn;
4399
4400 /* Initialize cipher suits */
4401 wiphy->cipher_suites = mwifiex_cipher_suites;
4402 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4403
4404 if (adapter->regd) {
4405 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4406 REGULATORY_DISABLE_BEACON_HINTS |
4407 REGULATORY_COUNTRY_IE_IGNORE;
4408 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4409 }
4410
4411 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4412 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4413 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4414 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4415 WIPHY_FLAG_AP_UAPSD |
4416 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4417 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4418 WIPHY_FLAG_NETNS_OK |
4419 WIPHY_FLAG_PS_ON_BY_DEFAULT;
4420
4421 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4422 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4423 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4424
4425 #ifdef CONFIG_PM
4426 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
4427 wiphy->wowlan = &mwifiex_wowlan_support;
4428 else
4429 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk;
4430 #endif
4431
4432 wiphy->coalesce = &mwifiex_coalesce_support;
4433
4434 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4435 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4436 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4437
4438 wiphy->max_sched_scan_reqs = 1;
4439 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4440 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4441 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4442
4443 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4444 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4445
4446 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER |
4447 NL80211_FEATURE_LOW_PRIORITY_SCAN |
4448 NL80211_FEATURE_NEED_OBSS_SCAN;
4449
4450 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4451 wiphy->features |= NL80211_FEATURE_HT_IBSS;
4452
4453 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info))
4454 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4455 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4456 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4457
4458 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4459 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4460
4461 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4462 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4463
4464 /* Reserve space for mwifiex specific private data for BSS */
4465 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4466
4467 wiphy->reg_notifier = mwifiex_reg_notifier;
4468
4469 /* Set struct mwifiex_adapter pointer in wiphy_priv */
4470 wdev_priv = wiphy_priv(wiphy);
4471 *(unsigned long *)wdev_priv = (unsigned long)adapter;
4472
4473 set_wiphy_dev(wiphy, priv->adapter->dev);
4474
4475 ret = wiphy_register(wiphy);
4476 if (ret < 0) {
4477 mwifiex_dbg(adapter, ERROR,
4478 "%s: wiphy_register failed: %d\n", __func__, ret);
4479 goto err;
4480 }
4481
4482 if (!adapter->regd) {
4483 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4484 mwifiex_dbg(adapter, INFO,
4485 "driver hint alpha2: %2.2s\n", reg_alpha2);
4486 regulatory_hint(wiphy, reg_alpha2);
4487 } else {
4488 if (adapter->region_code == 0x00) {
4489 mwifiex_dbg(adapter, WARN,
4490 "Ignore world regulatory domain\n");
4491 } else {
4492 wiphy->regulatory_flags |=
4493 REGULATORY_DISABLE_BEACON_HINTS |
4494 REGULATORY_COUNTRY_IE_IGNORE;
4495 country_code =
4496 mwifiex_11d_code_2_region(
4497 adapter->region_code);
4498 if (country_code &&
4499 regulatory_hint(wiphy, country_code))
4500 mwifiex_dbg(priv->adapter, ERROR,
4501 "regulatory_hint() failed\n");
4502 }
4503 }
4504 }
4505
4506 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4507 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4508 wiphy->frag_threshold = thr;
4509 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4510 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4511 wiphy->rts_threshold = thr;
4512 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4513 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4514 wiphy->retry_short = (u8) retry;
4515 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4516 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4517 wiphy->retry_long = (u8) retry;
4518
4519 adapter->wiphy = wiphy;
4520 return ret;
4521
4522 err:
4523 wiphy_free(wiphy);
4524
4525 return ret;
4526 }
4527